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An overhead shot of a savory low-carb ground beef casserole, baked to golden perfection in a casserole dish.

Keto Ground Beef Casserole (Easy, Cheesy, & Delicious!)

This Keto Ground Beef Casserole is the ultimate low-carb comfort food! Packed with savory ground beef, cauliflower, and a creamy cheese sauce, this easy-to-make dish is perfect for a satisfying weeknight dinner that the whole family will love.
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Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 8 servings
Course: Dinner, Main Course
Cuisine: American
Calories: 450
Ingredients Equipment Method Notes

Ingredients
  

Casserole
  • 2 lbs ground beef 80/20 blend recommended
  • 1 cup diced onion
  • 2 cloves garlic minced
  • 16 oz riced cauliflower fresh or frozen
  • 1 can (10 oz) diced tomatoes drained
  • 1/4 cup beef broth
  • 4 oz cream cheese softened
  • 1/4 cup heavy cream
  • 2 cups shredded cheddar cheese divided
  • 1 tsp Italian seasoning
  • 1 tsp salt or to taste
  • 1/2 tsp black pepper or to taste

Equipment

  • 1 9x13 inch baking dish
  • 1 Large Skillet

Method
 

  1. Preheat your oven to 375°F (190°C). Lightly grease a 9x13 inch baking dish.
  2. In a large skillet over medium-high heat, cook the ground beef and diced onion until the beef is thoroughly browned. Drain off any excess grease.
  3. Stir in the minced garlic and cook for about 1 minute more, until fragrant.
  4. Add the riced cauliflower, drained diced tomatoes, beef broth, softened cream cheese, heavy cream, and Italian seasoning to the skillet. Stir continuously until the cream cheese has completely melted and all ingredients are well combined.
  5. Remove the skillet from the heat. Stir in 1 cup of the shredded cheddar cheese until it's melted into the sauce. Season with salt and pepper to your liking.
  6. Pour the mixture into the prepared baking dish and spread it out evenly.
  7. Sprinkle the remaining 1 cup of cheddar cheese over the top. Bake for 20-25 minutes, until the casserole is bubbly and the cheese topping is golden brown.
  8. Remove from the oven and let it rest for 5-10 minutes before serving. This helps the casserole set.

Notes

For the best results: Shred your own cheese from a block. Pre-shredded cheese has anti-caking agents that can make the sauce gritty.
Storage: Store leftovers in an airtight container in the refrigerator for up to 4 days.
Meal Prep: Divide the cooked casserole into individual portions for easy grab-and-go meals throughout the week.