This oven roasted broccoli and cauliflower delicious side dish is anything but boring. When you mix these cruciferous vegetables with the right seasonings, they transform into something bold, crispy, and different every time.
These keto roasted vegetables are the perfect match for any protein (chicken, filet mignon, shrimp, burgers) and a total lifesaver on busy nights. Just toss everything on a sheet pan, pop it in the oven with your main dish, and spend the next 20 minutes doing whatever you want – no standing over the stove, no stirring, no fuss.
This is your quick, flavorful, low-carb side dish that fits into any weeknight dinner, keto plan, or lazy meal prep day. This oven-roasted veggies recipe is easy, versatile, and totally satisfying.
This is an easy recipe using simple ingredients that fits any low-carb diet or special diet lifestyle.
Why You’ll Love This Recipe
- Crispy, flavorful, and done in under 20 minutes.
- Works with everything – the perfect side dish for any protein.
- Low in net carbs, high in fiber and flavor.
- Made with fresh veggies, tossed in your favorite seasonings.
Ingredients
- cauliflower florets
- broccoli florets
- olive oil
- smoked paprika
- Parmesan cheese or Cheddar cheese
- garlic powder
- Salt
- black pepper
Instructions
- Preheat your oven to 425°F (220°C) and line a baking sheet with parchment paper.
- In a large bowl, add the cauliflower and broccoli florets.
- Drizzle with olive oil, then sprinkle on smoked paprika, garlic powder, grated parmesan, salt, and black pepper.
- Toss everything well to evenly coat the veggies.
- Spread the mixture in a single layer on the prepared baking sheet.
- Roast in the oven for 15 to 20 minutes, or until the veggies are tender with crispy golden edges.
- Serve hot as a quick and flavorful low carb side dish with your favorite protein.
Alternative Cooking Method: Air Fryer
Want to save oven space or speed things up? This recipe works beautifully in the air fryer too!
- Preheat your air fryer to 380°F (195°C).
- Add the seasoned broccoli and cauliflower to the basket in a single layer—cook in batches if needed.
- Air fry for 10–12 minutes, shaking halfway through, until the edges are crispy and golden brown.
- Serve hot as usual with your favorite protein!
Recipe Tips
- This dish works beautifully as a roasted cauliflower recipe or a roast broccoli recipe on its own. Just choose one of the veggies and roast them for a more focused flavor.
- Cut your veggies into smaller pieces for crispier edges.
- For the best results, roast on a parchment-lined sheet pan and don’t overcrowd.
- Toss everything in a bowl before roasting to coat evenly.
- Use extra virgin olive oil, avocado oil, or another neutral oil with a high smoke point for best roasting.
- Roasting at a high heat in a hot oven creates the most golden brown and crispy edges.
- A squeeze of lemon juice or some lemon zest right before serving boosts flavor and balances the natural sweetness of fresh broccoli and cauliflower.
- You can also add onion powder, red pepper flakes, or even toss in brussels sprouts for more variety.
Ingredient Swaps
- Swap the fresh grated parmesan cheese for nutritional yeast to make it dairy-free.
- Use curry powder or cayenne pepper for a curry flavor fun spice twist.
- Try Italian seasoning for an herby flavor.
Storage Tips
- Store leftovers in an airtight container in the fridge for up to 3 days.
- Reheat in a hot oven or air fryer to bring back those crispy edges—skip the microwave to avoid soggy veggies.
- This easy side dish holds up well for meal prep and fits into your weekly go-to recipes.
What to Serve With
Pair this roasted broccoli and cauliflower with a flavorful keto main for a complete, nourishing dinner:
- Keto Parmesan-Dill Salmon
- Keto Mediterranean Cod
- Keto Mediterranean Chicken Breast
- Keto Mediterranean Burgers
- Keto Strawberry Cheesecake Ice Cream
Conclusion
This roasted broccoli and cauliflower side dish is your shortcut to flavor, crunch, and keto-friendly comfort. Whether you’re meal prepping or serving it up with a main course, it delivers the goods every time. Crispy, cheesy, and loaded with cruciferous vegetable goodness! With so much flavor from the parmesan, spices, and high-heat roasting, even picky taste buds will love it.
More Keto Recipes to Try
- 1 Ingredient Cottage Cheese Chips
- Keto Shakshuka Recipe
- High Protein Cottage Cheese Pizza Crust
- Keto Cottage Cheese Bagels
FAQ
Q: Can I use frozen broccoli and cauliflower?
A: Yes, but thaw and pat dry to avoid soggy results.
Q: What’s the best way to get crispy edges?
A: Roast at a high temperature in a single layer and don’t overcrowd the pan.
Q: Can I prep this in advance?
A: Yes! Just roast and store in an airtight container, then reheat in the air fryer.
Q: Can I use aluminum foil instead of parchment paper?
A: Yes, but parchment paper gives better crisping and easier cleanup.
Q: Is this recipe dairy-free?
A: Omit parmesan or use dairy-free cheese or nutritional yeast.
Oven Roasted Broccoli and Cauliflower Keto Side Dish
Equipment
- 1 Oven
Ingredients
- 1/2 cup Cauliflower
- 1/2 cup broccoli
- 1/2 tablespoon olive oil
- 1/4 teaspoon smoked paprika
- 1/2 tablespoon grated parmesan cheese
- 1/4 teaspoon garlic powder
- 1/2 teaspoon Salt
- 1/4 teaspoon black pepper
Instructions
Cooking Method: Oven
- Preheat your oven to 425°F (220°C) and line a baking sheet with parchment paper.
- In a large bowl, add the broccoli and cauliflower florets.1/2 cup Cauliflower, 1/2 cup broccoli
- Drizzle with olive oil and season with smoked paprika, garlic powder, parmesan, salt, and pepper.1/2 tablespoon olive oil, 1/4 teaspoon smoked paprika, 1/2 tablespoon grated parmesan cheese, 1/4 teaspoon garlic powder, 1/2 teaspoon Salt, 1/4 teaspoon black pepper
- Toss until everything is evenly coated.
- Spread the veggies in a single layer on the prepared baking sheet.
- Roast in the hot oven for 15 to 20 minutes, until golden brown and crispy on the edges.
- Serve immediately with a squeeze of lemon, or store in an airtight container for later.
Alternative Cooking Method: Air Fryer
- Preheat your air fryer to 380°F (195°C).
- Add the seasoned broccoli and cauliflower to the basket in a single layer—cook in batches if needed.1/2 cup Cauliflower, 1/2 cup broccoli, 1/2 tablespoon olive oil, 1/4 teaspoon smoked paprika, 1/2 tablespoon grated parmesan cheese, 1/4 teaspoon garlic powder, 1/2 teaspoon Salt, 1/4 teaspoon black pepper
- Air fry for 10–12 minutes, shaking halfway through, until the edges are crispy and golden brown.
- Serve hot as usual with your favorite protein!
Notes
- You can make this recipe using only cauliflower or only broccoli, whichever you prefer. It works beautifully as either a roasted cauliflower recipe or a roast broccoli recipe.
- Roasting at high heat in a hot oven brings out the natural sugars in the veggies and gives those perfect golden brown crispy edges.
- Use avocado oil, extra virgin olive oil, or any neutral oil with a high smoke point.
- A pinch of red pepper flakes or a squeeze of lemon adds brightness and heat.
- Pairs perfectly with main dishes like salmon, Mediterranean chicken, or keto burgers.
- Store leftovers in an airtight container and reheat in the oven or air fryer for best texture.
Nutrition Per 1 (ONE) Serving
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I make this all the time when I want something quick, flavorful, and low-carb. The crispy edges are everything! So easy to toss it in the oven and forget it while cooking protein in the air fryer. Definitely one of my go-to side dishes!