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Keto Cauliflower Hash Brown Casserole Recipe

A cheesy, crispy, low-carb cauliflower hash brown casserole that’s perfect for the keto diet. This easy dinner recipe feels like comfort food but keeps the carbs low. Great for breakfast, meal prep, or dinner. Family-friendly and freezer-friendly.

Ingredients

Scale
  • 1 medium head cauliflower (or 16 oz riced cauliflower)

  • 2 large eggs

  • 1 ½ cups shredded cheddar cheese

  • ½ cup grated Parmesan cheese

  • ½ cup sour cream

  • ¼ cup heavy cream

  • ½ small onion, finely diced

  • 2 garlic cloves, minced

  • 1 tsp salt

  • ½ tsp black pepper

  • ½ tsp paprika (optional)

  • ½ tsp dried parsley or chives

  • 3 strips cooked bacon, crumbled (optional)

  • 1 tbsp butter or olive oil (for greasing)

Instructions

  1. Preheat oven to 375°F (190°C). Grease a medium casserole dish.

  2. Steam cauliflower until soft. If using riced cauliflower, cook as per package and drain well.

  3. In a large bowl, mix cauliflower, eggs, sour cream, heavy cream, half the cheddar, all the Parmesan, onion, garlic, and spices.

  4. Fold in crumbled bacon and herbs.

  5. Spread mixture into the baking dish. Top with remaining cheddar cheese.

  6. Bake for 30–35 minutes until top is golden. Broil 3–5 minutes for extra crisp.

  7. Let cool 5–10 minutes before serving.

Notes

  • Drain cauliflower well to avoid soggy casserole.

  • Add bell peppers, mushrooms, or jalapeños for extra flavor.

  • Store leftovers in fridge up to 4 days or freeze in portions.

Nutrition