Ground Beef Cauliflower Casserole (Printer-friendly)

Savory beef and cauliflower rice bake with creamy cheese topping for a satisfying low-carb dinner.

# What you'll need:

→ Meats

01 - 1 lb lean ground beef

→ Vegetables

02 - 1 medium onion, finely chopped
03 - 3 cloves garlic, minced
04 - 4 cups cauliflower rice, fresh or frozen
05 - 1 medium red bell pepper, diced
06 - 1 cup baby spinach, chopped

→ Dairy

07 - 1 cup sour cream
08 - 1 cup shredded cheddar cheese
09 - 1/2 cup shredded mozzarella cheese

→ Pantry

10 - 2 tbsp olive oil
11 - 1 tsp dried oregano
12 - 1 tsp dried basil
13 - 1/2 tsp smoked paprika
14 - 1/2 tsp salt
15 - 1/2 tsp black pepper
16 - 1/4 tsp crushed red pepper flakes

→ Garnish

17 - 2 tbsp fresh parsley, chopped

# Method:

01 - Preheat your oven to 375°F.
02 - Heat olive oil in a large skillet over medium heat. Sauté onion and red bell pepper for 3-4 minutes until softened.
03 - Add minced garlic and cook for 1 minute, stirring frequently to prevent burning.
04 - Add ground beef to the skillet, breaking it apart with a spatula. Cook until browned, about 5-7 minutes. Drain excess fat if needed.
05 - Stir in oregano, basil, smoked paprika, salt, black pepper, and red pepper flakes. Mix well to distribute spices evenly.
06 - Add cauliflower rice and baby spinach. Cook for 4-5 minutes until cauliflower is tender and any liquid has evaporated.
07 - Remove skillet from heat. Stir in sour cream and half of the cheddar cheese until well combined.
08 - Spread the mixture evenly into a greased 9x13-inch baking dish.
09 - Sprinkle remaining cheddar cheese and all mozzarella cheese over the top.
10 - Bake for 20 minutes, or until cheese is bubbly and golden brown.
11 - Let the casserole rest for 5 minutes before serving. Garnish with fresh parsley and serve warm.

# Expert Tips:

01 -
  • Its the kind of comfort food that doesnt leave you feeling heavy or sluggish afterward
  • The cheese pulls apart in gorgeous strings while the cauliflower stays perfectly tender
02 -
  • Dont skip draining excess fat from the beef or your casserole will end up greasy
  • Letting it rest for those 5 minutes makes a huge difference in how well it holds together when serving
03 -
  • Squeeze excess moisture from thawed frozen cauliflower rice to prevent a watery casserole
  • Grate your own cheese instead of buying pre-shredded for better melting