Loaded Cauliflower Broccoli Casserole
Creamy, cheesy, and indulgently satisfying, this Loaded Cauliflower Broccoli Casserole turns humble vegetables into a decadent comfort food. Tender cauliflower and broccoli florets are smothered in a rich cheese sauce and baked to golden perfection. It’s perfect for family dinners, low-carb meals, or holiday spreads — keto-friendly, filling, and bursting with flavor.
Ingredients
- 1 medium head cauliflower cut into florets
- 1 medium head broccoli cut into florets
- 2 tablespoons butter or olive oil
- 1 small onion diced
- 3 cloves garlic minced
- ½ cup sour cream
- ½ cup cream cheese softened
- 1 teaspoon Dijon mustard
- ½ teaspoon garlic powder
- ½ teaspoon onion powder
- Salt and pepper to taste
- 1 cup shredded cheddar cheese
- ½ cup shredded mozzarella cheese
- ½ cup grated Parmesan cheese
- Optional toppings: crumbled bacon crushed pork rinds, chopped green onions, or paprika
Instructions
- Preheat Oven: Set oven to 375°F (190°C) and lightly grease a 9x13-inch casserole dish.
- Cook Vegetables: Steam or boil cauliflower and broccoli until tender but firm (5–7 minutes). Drain well.
- Sauté Aromatics: In a skillet, heat butter or olive oil over medium heat. Cook onions 3–4 minutes until translucent. Add garlic and sauté 30 seconds until fragrant.
- Prepare Creamy Sauce: In a large bowl, combine sour cream, cream cheese, Dijon mustard, garlic powder, onion powder, salt, and pepper until smooth.
- Combine Ingredients: Stir cooked cauliflower, broccoli, and sautéed onions and garlic into the sauce. Mix in half of the cheddar, mozzarella, and Parmesan.
- Assemble Casserole: Transfer mixture to baking dish. Spread evenly and top with remaining cheeses and optional toppings.
- Bake: Bake uncovered 20–25 minutes until cheese is melted and golden. Broil 2–3 minutes for extra crispiness, watching carefully.
- Serve Hot: Cool 5 minutes before serving. Garnish with green onions or parsley if desired
Notes
Drain vegetables thoroughly to avoid a watery casserole.
Cut cauliflower and broccoli into uniform pieces for even cooking.
Freshly grated cheese melts better than pre-shredded.
Add smoked paprika or chili flakes for extra smoky flavor.
Serving Suggestions
Side with roasted chicken, steak, or grilled fish.
Pair with a fresh green salad for a lighter meal.
Use as a low-carb option for holiday dinners instead of potatoes or stuffing.
Top with sour cream or guacamole for extra creaminess.