Cauliflower Casserole Bake

This casserole is pure comfort in a dish—warm, creamy, and bubbling straight from the oven. It’s a lighter spin on the potato casseroles many Midwestern families grew up with, but without the carb-heavy base. Instead, tender cauliflower florets soak up a rich cheese sauce, transforming into a golden, irresistible bake that even cauliflower skeptics will love.
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Perfect for weeknight dinners, potlucks, or holiday spreads, it’s the kind of dish people scoop up twice. Pair it with roasted chicken, grilled pork chops, or baked salmon for a balanced plate. Add a crisp salad or buttery green beans for freshness, and if you’re feeding a mixed crowd, serve rolls or garlic bread alongside—this casserole doubles as the “comfort carb” for low-carb eaters and bread-lovers alike.
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🥦 Low-Carb Cheesy Cauliflower Casserole
📝 Ingredients
| Ingredient | Amount | Notes |
|---|---|---|
| Cauliflower | 1 large head (2–2.5 lbs) | Cut into small florets |
| Butter | 2 tbsp | For sauce |
| Garlic | 3 cloves, minced | Fragrant base |
| Cream cheese | 4 oz, softened | Adds creaminess |
| Sour cream | ½ cup | Tangy richness |
| Heavy cream | ¼ cup | Smooth texture |
| Cheddar cheese | 1½ cups, shredded | Divided |
| Mozzarella cheese | ½ cup, shredded | Melty stretch |
| Parmesan cheese | ¼ cup, grated | Sharp flavor |
| Salt | 1 tsp | Or to taste |
| Black pepper | ½ tsp | To taste |
| Onion powder | ½ tsp | Flavor depth |
| Smoked paprika | ½ tsp | Optional, warmth & color |
| Parsley or chives | 2 tbsp, chopped | Optional garnish |
| Nonstick spray or butter | — | For greasing dish |
🍴 Directions
- Preheat oven to 375°F (190°C). Grease a 9×9-inch baking dish.
- Prep cauliflower: Rinse, cut into bite-sized florets, and pat dry.
- Cook cauliflower: Boil in salted water 5–7 minutes until just tender. Drain well and let excess moisture escape.
- Make cheese sauce: In a skillet, melt butter over medium heat. Add garlic, cook 30 seconds. Reduce heat to low, stir in cream cheese until smooth.
- Whisk in sour cream and heavy cream. Add 1 cup cheddar, mozzarella, and Parmesan. Stir until melted and creamy.
- Season: Add salt, pepper, onion powder, and smoked paprika. Adjust to taste.
- Combine: Fold cauliflower into sauce until coated.
- Assemble: Transfer mixture to baking dish. Sprinkle remaining ½ cup cheddar on top.
- Bake: 20–25 minutes until bubbly and lightly golden.
- Optional broil: 2–3 minutes for a deeper crust.
- Finish: Rest 5 minutes, garnish with parsley or chives, and serve warm.
💡 Tip: This casserole tastes even better the next day, once the flavors settle. It’s a versatile side that can stand in for mashed potatoes or mac and cheese at holiday dinners.
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