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
Equipment for this recipe
Top-rated tools to make this recipe successfully.
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.
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.
