Cheesy Cauliflower and Broccoli Casserole
A comforting keto casserole featuring riced cauliflower and broccoli baked in a creamy cheese sauce, perfect as a side or main dish for a satisfying low-carb meal. This american-inspired keto (vegetarian, low carb) ready in about 50 minutes pairs riced Cauliflower, Broccoli florets, Unsalted butter for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 220 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2 cups, riced Cauliflower
- 2 cups Broccoli florets
- 2 tbsp Unsalted butter
- 1/2 cup Heavy cream
- 1 cup Shredded cheddar cheese
- 1/2 tsp Garlic powder
- 1/2 tsp Onion powder
- 1/2 tsp Salt
- 1/4 tsp Black pepper
- 1/4 tsp Paprika
Instructions
- Step 1: Preheat oven to 375°F (190°C). In a large bowl, combine riced cauliflower, chopped broccoli, 1 tsp salt, 1/4 tsp black pepper, garlic powder, and onion powder. Toss until evenly coated.
- Step 2: Melt 2 tbsp butter in a saucepan over medium heat. Whisk in heavy cream and simmer for 2 minutes until slightly thickened. Remove from heat and stir in 1 cup shredded cheddar cheese until melted and smooth. Add paprika and 1/4 tsp salt.
- Step 3: Pour cheese sauce over cauliflower-broccoli mixture and stir until fully combined. Transfer to a greased 8x8-inch baking dish. Top with remaining 1/4 cup shredded cheddar. Bake for 25-30 minutes until golden and bubbly around the edges.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Cheesy Cauliflower and Broccoli Casserole take to make?
Total time is about 50 minutes (20 min prep + 30 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Cheesy Cauliflower and Broccoli Casserole?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep riced cauliflower from drying out.
Can I substitute ingredients in Cheesy Cauliflower and Broccoli Casserole?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Cheesy Cauliflower and Broccoli Casserole for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Cheesy Cauliflower and Broccoli Casserole vegetarian?
Yes — this recipe is tagged vegetarian, low carb based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
What others are saying
- ★★★☆☆
Average. The concept is good but execution needs work on seasoning.
- ★★★☆☆
Decent recipe but nothing special. Might try a different version.
- ★★☆☆☆
Followed exactly and it was underwhelming. Maybe my expectations were too high.
