Keto Crustless Lasagna Casserole

A hearty, cheesy, low-carb lasagna casserole made with Italian sausage, ground beef, rich marinara, and creamy ricotta cheese — all the classic lasagna flavors without the noodles!

Prep: 20 minutes

Cook: 30–35 minutes

Serves: 8

Ingredients

For the meat layer

• 1 lb ground mild Italian sausage
• 1 lb ground beef
• ½ cup chopped onion
• 1 tsp minced garlic
• Salt and black pepper, to taste
• 1 jar (24 oz) low-carb marinara sauce, preferably with no added sugar

For the cheese layer

• 15 oz ricotta cheese
• 2 large eggs
• 1 tsp dried Italian seasoning
• ½ tsp minced garlic
• 2 cups shredded mozzarella cheese
• 1½ cups grated Parmesan cheese, divided

Instructions

1. Preheat the oven. Set the oven to 375°F (190°C). Lightly grease a 9 × 13-inch baking dish.

2. Brown the meat. In a large skillet or pot over medium-high heat, cook the ground beef and Italian sausage with the chopped onion. Break the meat into small crumbles and cook until browned and fully cooked, about 8–10 minutes.

3. Add garlic and seasoning. Stir in 1 teaspoon minced garlic, salt, and black pepper. Cook for another 30 seconds, then drain excess grease if needed.

4. Add the marinara. Pour in the marinara sauce and stir until the meat is evenly coated. Remove from the heat.

5. Prepare the ricotta mixture. In a medium bowl, combine the ricotta cheese, eggs, Italian seasoning, ½ teaspoon minced garlic, and 1 cup of Parmesan cheese. Mix until smooth and well combined.

6. Layer the casserole. Spread half of the meat sauce evenly across the bottom of the prepared baking dish.

7. Add the ricotta. Carefully spread the entire ricotta mixture over the meat layer.

8. Finish layering. Spread the remaining meat sauce over the ricotta mixture. Top evenly with the mozzarella cheese and the remaining ½ cup Parmesan cheese.

9. Bake. Place the dish in the preheated oven and bake uncovered for 30–35 minutes, until the cheese is melted, bubbling, and lightly golden.

10. Rest and serve. Allow the casserole to rest for 10 minutes before slicing. This helps the layers set and makes serving easier.

Nutrition estimate

Per serving (1/8 of the casserole), depending on the ingredients used:

• Calories: 450–550
• Protein: 35–42 g
• Fat: 30–38 g
• Net carbs: approximately 6–10 g

Helpful tip: For an even lower-carb version, reduce the onion slightly and choose a low-carb marinara. The original claim of 8 net carbs per serving is possible, but it depends on the exact ingredients and serving size.