A close-up image of Keto Chocolate Eclairs displayed on a wooden surface. One eclair is cut in half, exposing the creamy filling inside, while others remain whole with a glossy chocolate coating.

Best Keto Chocolate Eclairs Recipe Low Carb Custard Filling

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Have you ever craved a decadent dessert that won’t ruin your keto diet? If you love chocolate and custard, you’re in for a treat. In this post, I’m going to show you how to make the best keto chocolate eclairs with keto custard filling. These keto eclairs are low carb, gluten free, sugar free, and absolutely delicious. They are perfect for satisfying your sweet tooth without spiking your blood sugar or kicking you out of ketosis.

The Keto chocolate eclairs recipe is not as hard to make as you might think. You only need a few simple ingredients, some basic tools, and a little bit of patience. You’ll be rewarded with soft and airy pastry shells filled with creamy and rich chocolate custard and topped with a smooth and glossy chocolate glaze. They are so good, you won’t believe they are keto.

In this post, you’ll learn everything you need to know to make this easy recipe for keto chocolate eclairs at home. I’ll share with you the ingredients, the instructions, the nutritional information, and some tips and tricks to make them perfect every time. I’ll also answer some frequently asked questions and show you how to store and serve your keto chocolate eclairs below the recipe card. Whether you want to make them for yourself, your family, or a special occasion, these keto chocolate eclairs will impress everyone who tries them. 

All your Frequently Asked Questions are answered below the recipe card!

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Recipe Story

I have a confession to make: I’m a chocoholic. I love anything and everything chocolate, especially eclairs and profiteroles. But when I started the keto diet, I had to say goodbye to these indulgent treats. Or so I thought.

One day, I stumbled upon a keto chocolate eclair cake recipe online and I was intrigued. It looked so delicious and decadent, but it was also low carb, gluten free, and sugar free. I decided to give it a try and I was blown away by how good it was. It tasted just like the real thing but without the guilt.

That’s when I got the idea to make my own keto chocolate eclairs with keto custard filling. I wanted to recreate the classic pastry that I loved so much but in a keto-friendly way. I experimented with different ingredients and techniques until I found the perfect combination. And let me tell you, these keto chocolate eclairs are amazing. They are soft and airy, creamy and rich, and smooth and glossy. They are the ultimate keto dessert for chocolate lovers.

These keto chocolate eclairs are not only delicious but also nutritious. They are low in carbs, high in fat, and moderate in protein. They are also gluten free, sugar free, and grain free. They are perfect for anyone who follows a keto diet or who is gluten intolerant or diabetic. They are also great for satisfying your sweet tooth without spiking your blood sugar or kicking you out of ketosis.

If you’re looking for a keto dessert that will impress your family, friends, or guests, look no further than these keto chocolate eclairs. They are easy to make, fun to eat, and hard to resist. You can make them for yourself, for a special occasion, or for a gift. They are sure to make everyone happy.

A collection of Keto Chocolate Eclairs neatly arranged on a heart-shaped wooden board, set against a white marble background.
Low Carb Chocolate Eclairs With Keto Custard

INGREDIENTS

Keto Pastry

  • 2/3 cup (60g) almond flour
  • 1.5 tbsp (10g) coconut flour
  • 1.5 tbsp (10g) psyllium husk
  • 1 tsp (2g) gluten-free baking powder
  • 1/2 tbsp (5g) stevia (or erythritol)
  • A pinch of salt
  • 1/2 cup (100ml) water
  • 1/3 cup (75g) heavy cream
  • 1/3 cup (50g) unsalted butter
  • 2 medium eggs (room temperature)

Keto Custard

  • 5/4 cups (125ml) heavy whipping cream
  • 3 egg yolks
  • 4 tbsp (20g) stevia (or erythritol)
  • A pinch of salt
  • 1/2 tsp (1g) xanthan gum
  • 2 tbsp (30g) unsalted butter
  • 3/2 tsp vanilla extract

Keto Chocolate Glaze

  • 60 grams keto-friendly dark chocolate
  • 1/3 cups (80ml) heavy whipping cream
  • 1/2 tbsp (5g) stevia (or erythritol)
Keto Chocolate Eclairs

Instructions

For the Keto Pastry

  • Preheat the oven to 200C/400F and line a large baking tray with parchment paper.
  • In a large bowl, whisk together the almond flour, coconut flour, psyllium powder, baking powder, sweetener, and salt.
  • In a small saucepan over medium heat, bring the water, cream, and butter to a boil, stirring occasionally.
  • Reduce the heat and add the flour mixture to the saucepan. Stir vigorously with a wooden spoon until a thick dough forms and pulls away from the sides of the pan. This should take about 5 minutes. Important step: Do not skip this step or your eclairs might collapse in the oven!
  • Transfer the dough to a mixing bowl and let it cool slightly. Then add the eggs one at a time, beating well after each addition. The dough should be smooth and glossy.
  • Let the dough rest for 10 minutes. Then spoon it into a piping bag fitted with a large round nozzle.
  • Pipe the dough onto the prepared baking tray, forming 12 long oval shapes. Leave at least 2 cm of space between each eclair.
  • Bake the eclairs for 20 minutes or until golden and puffed up. Do not open the oven door while baking or they might deflate. Let them cool completely on a wire rack.

For the Keto Custard

  • In a medium saucepan over medium-high heat, bring the cream to a boil, stirring occasionally.
  • In a small bowl, whisk the egg yolks with a fork.
  • Slowly pour half of the hot cream into the egg yolks, whisking constantly. This will temper the eggs and prevent them from scrambling.
  • Return the egg and cream mixture to the saucepan and bring it to a boil again, stirring constantly.
  • Add the sweetener, salt, xanthan gum, butter, and vanilla extract and whisk until well combined and smooth. The custard should be thick and creamy.
  • Transfer the custard to a bowl and cover it with plastic wrap, pressing it directly onto the surface to prevent a skin from forming. Refrigerate the custard for at least an hour or until chilled and set.

For the Keto Chocolate Glaze

  • In a small microwave-safe bowl, combine the chocolate, cream, and sweetener. Microwave for 30 seconds or until the chocolate is melted, stirring every 10 seconds.
  • Whisk the chocolate mixture until smooth and glossy. If it is too thick, you can add a little more cream to thin it out.
A selection of Keto Chocolate Eclairs displayed on a round wooden board that has “HAPPINESS Homemade” engraved on it. Two eclairs are cut in half, exposing the creamy filling.
Gluten Free Chocolate Eclairs With Keto Custard

Assembling the Keto Chocolate Eclairs

  • When the pastry and the custard are both cooled, fill another piping bag with the custard and snip off the tip.
  • Poke two or three holes along the bottom of each eclair shell with a skewer or a knife. Gently squeeze the custard into the holes until the eclair feels full and heavy. You can also slice the eclair shells in half and spoon the custard over the bottom halves, then sandwich them with the top halves.
  • Dip the top of each eclair into the chocolate glaze, letting the excess drip off. You can also drizzle the glaze over the eclairs with a spoon or a fork.
  • Refrigerate the eclairs until the glaze is set, about 15 minutes. Enjoy your keto chocolate eclairs or store them in an airtight container in the fridge for up to 3 days.

More Keto Recipes to Check Out

They are all low-carb, gluten-free, sugar-free, and delicious. Whether you’re looking for more keto desserts, snacks, or dinners, you’ll find something to satisfy your cravings and keep you in ketosis.

Keto Dinner Recipes

Keto Dessert Recipes

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Best Keto Chocolate Eclairs Recipe Low Carb Custard Filling

0 from 0 votes
Recipe by Rally Rus Course: DessertCuisine: American, FrenchDifficulty: Easy
Servings

12

eclairs
Prep time

30

minutes
Cooking time

20

minutes
Calories

283

kcal
Resting and Chilling:

30

Net carbs

2

grams
Total time

50

minutes

Have you ever craved a decadent dessert that won’t ruin your keto diet? If you love chocolate and custard, you’re in for a treat. In this post, I’m going to show you how to make the best keto chocolate eclairs with keto custard filling. These keto eclairs are low carb, gluten free, sugar free, and absolutely delicious. They are perfect for satisfying your sweet tooth without spiking your blood sugar or kicking you out of ketosis.
The Keto chocolate eclairs recipe is not as hard to make as you might think. You only need a few simple ingredients, some basic tools, and a little bit of patience. You’ll be rewarded with soft and airy pastry shells filled with creamy and rich chocolate custard and topped with a smooth and glossy chocolate glaze. They are so good, you won’t believe they are keto.

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Ingredients

  • Keto Pastry Recipe
  • 2/3 cup 60 g (60g) almond flour

  • 1.5 tbsp 1.50 tbsp (10g) coconut flour

  • 1.5 tbsp 1.5 tbsp (10g) psyllium powder

  • 1 tsp 1/5 tsp (2g) baking powder gluten-free

  • 1/2 tbsp 1/2 tbsp (5g) sweetener (Stevia) or adjust to your liking

  • 1 pinch 1 pinch (0.5g) of salt

  • 1/2 cup 100 (100ml) water

  • 1/3 cup 75 g (75g) double cream / heavy cream

  • 1/3 cup 50 g (50g) unsalted butter

  • 2 2 medium eggs

  • Keto Pastry Cream Recipe
  • 5/4 cups 125 (125ml) double cream / whipping cream

  • 3 3 egg yolks

  • 4 tbsp 20 (20g) sweetener (Stevia) or adjust to your liking

  • 1 pinch 1 pinch (0.5g) of salt

  • 1/2 tsp 1/6 tsp (1g) xanthan gum

  • 2 tbsp 30 g (30g) unsalted butter

  • 3/2 tsp 1 1/2 tsp vanilla extract

  • Keto Chocolate Glaze
  • 60 grams 60 grams keto-friendly chocolate

  • 1/3 cups 80 (80ml) double cream / heavy cream

  • 1/2 tbsp 5 (5g) sweetener (Stevia) or adjust to your liking

Directions

  • For the Keto Pastry:
  • Preheat the oven to 200C/400F and line a large baking tray with parchment paper.
  • In a large bowl, whisk together the almond flour, coconut flour, psyllium powder, baking powder, sweetener, and salt.
  • In a small saucepan over medium heat, bring the water, cream, and butter to a boil, stirring occasionally.
  • Reduce the heat and add the flour mixture to the saucepan. Stir vigorously with a wooden spoon until a thick dough forms and pulls away from the sides of the pan. This should take about 5 minutes. 
  • Important step: Do not skip this step or your eclairs might collapse in the oven!
  • Transfer the dough to a mixing bowl and let it cool slightly. Then add the eggs one at a time, beating well after each addition. The dough should be smooth and glossy.
  • Let the dough rest for 10 minutes. Then spoon it into a piping bag fitted with a large round nozzle.
  • Pipe the dough onto the prepared baking tray, forming 12 long oval shapes. Leave at least 2 cm of space between each eclair.
  • Bake the eclairs for 20 minutes or until golden and puffed up. Do not open the oven door while baking or they might deflate. Let them cool completely on a wire rack.
  • For the Keto Custard:
  • In a medium saucepan over medium-high heat, bring the cream to a boil, stirring occasionally.
  • In a small bowl, whisk the egg yolks with a fork.
  • Slowly pour half of the hot cream into the egg yolks, whisking constantly. This will temper the eggs and prevent them from scrambling.
  • Return the egg and cream mixture to the saucepan and bring it to a boil again, stirring constantly.
  • Add the sweetener, salt, xanthan gum, butter, and vanilla extract and whisk until well combined and smooth. The custard should be thick and creamy.
  • Transfer the custard to a bowl and cover it with plastic wrap, pressing it directly onto the surface to prevent a skin from forming. Refrigerate the custard for at least an hour or until chilled and set.
  • For the Chocolate Glaze:
  • In a small microwave-safe bowl, combine the chocolate, cream, and sweetener. Microwave for 30 seconds or until the chocolate is melted, stirring every 10 seconds.
  • Whisk the chocolate mixture until smooth and glossy. If it is too thick, you can add a little more cream to thin it out.
  • Assembling of the Keto Chocolate Eclairs:
  • When the pastry and the custard are both cooled, fill another piping bag with the custard and snip off the tip.
  • Poke two or three holes along the bottom of each eclair shell with a skewer or a knife. Gently squeeze the custard into the holes until the eclair feels full and heavy. You can also slice the eclair shells in half and spoon the custard over the bottom halves, then sandwich them with the top halves.
  • Dip the top of each eclair into the chocolate glaze, letting the excess drip off. You can also drizzle the glaze over the eclairs with a spoon or a fork.
  • Refrigerate the eclairs until the glaze is set, about 15 minutes. Enjoy your keto chocolate eclairs or store them in an airtight container in the fridge for up to 3 days.

Equipment

Recipe Video

Notes

  • Please see all frequently asked questions and answers below this recipe card.

Nutrition Facts

  • Serving: 12g
  • Calories: 283kcal
  • Carbohydrates: 6g
  • Protein: 5g
  • Fat: 27g
  • Fiber: 4g

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FAQ

Q: How do I store and serve my keto chocolate eclairs? 

A: You can store your keto chocolate eclairs in an airtight container in the refrigerator for up to 3 days. You can also freeze them for up to 3 months. To serve them, you can thaw them in the fridge overnight or at room temperature for an hour. You can also reheat them in the oven or microwave for a few seconds to make them warm and soft. You can enjoy your keto chocolate eclairs as they are or with some keto ice cream or whipped cream on the side. They are perfect for any occasion, from breakfast to dessert.

Q: What is the difference between heavy cream and heavy whipping cream? 

A: Heavy cream and heavy whipping cream are both high-fat dairy products that are used to make keto desserts. They have similar nutritional values and can be used interchangeably in most recipes. The main difference is that heavy cream has at least 36% milk fat, while heavy whipping cream has at least 30% milk fat. Heavy cream is slightly thicker and richer than heavy whipping cream, but both will whip well and create a fluffy texture.

Q: How many net carbs are in one keto chocolate eclair?

A: Net carbs are the total carbs minus the fiber and sugar alcohols. One keto chocolate eclair has about 2.3 grams of net carbs, depending on the ingredients and the size of the eclair. This is much lower than a regular eclair, which can have up to 28 grams of net carbs. Keto chocolate eclairs are a great low carb dessert for anyone who follows a keto diet or a low carb diet.

Q: How do I make keto chocolate custard?

A: Keto chocolate custard is a creamy and rich filling for keto chocolate eclairs. It is made with heavy cream, egg yolks, sweetener, salt, xanthan gum, butter, vanilla extract, and unsweetened chocolate. To make keto chocolate custard, you need to heat the cream and chocolate in a saucepan, whisk the egg yolks with the sweetener and salt in a bowl, temper the eggs with the hot cream, return the mixture to the saucepan and cook until thickened, stir in the butter and vanilla, and refrigerate until set. You can find the detailed instructions and measurements in the recipe card below.

Q: Can I make keto eclair cake instead of keto eclairs?

A: Yes, you can make keto eclair cake instead of keto eclairs. Keto eclair cake is a layered dessert that uses keto graham crackers, keto pastry cream, and keto chocolate glaze. It is easier and faster to make than keto eclairs, and it serves a larger crowd. To make keto eclair cake, you need to layer keto graham crackers in a large baking dish, spread half of the keto pastry cream over the crackers, add another layer of crackers, spread the remaining pastry cream, add the final layer of crackers, and pour the keto chocolate glaze over the top. Refrigerate the cake until set and enjoy. You can find the recipe for keto graham crackers and keto eclair cake here.

Q: Can I make these keto chocolate eclairs dairy-free?

A: Yes, you can make these keto chocolate eclairs dairy-free. You can substitute the heavy cream with coconut cream, the butter with coconut oil, and the cream cheese with dairy-free cream cheese. You can also use almond milk or coconut milk instead of water in the pastry dough. These substitutions will make your keto chocolate eclairs suitable for anyone who is lactose intolerant or allergic to dairy. They will also add a subtle coconut flavor to your keto chocolate eclairs.

Q: Can you freeze eclairs? 

A: Yes, you can freeze eclairs as a whole or in separate parts. To freeze eclairs, you need to let them cool completely, then place them on a baking sheet lined with parchment paper and freeze them until firm. Then you can wrap each eclair individually in plastic wrap and store them in a freezer bag or container for up to 3 months. To thaw eclairs, you can leave them in the fridge overnight or at room temperature for an hour. You can also reheat them in the oven or microwave for a few seconds to make them warm and soft.

Q: How do you make chocolate icing for eclairs?

A: Chocolate icing for eclairs is a simple and delicious topping that adds a rich and glossy finish to your pastries. To make chocolate icing for eclairs, you need to melt some chocolate, butter, cream, and icing sugar substitute in a heatproof bowl over a pan of barely simmering water or in the microwave. Once melted, you can whisk the mixture until smooth and shiny. Then you can dip the top of each eclair into the icing, letting the excess drip off, or drizzle the icing over the eclairs with a spoon or a fork. You can use any type of chocolate you like, such as dark, milk, or white, but make sure it is keto-friendly if you are following a keto diet. You can also add some vanilla extract, coffee, or liqueur for extra flavor.

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