15 Delicious Low Carb Casseroles for Easy Weeknight Dinners

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1. Cheesy Cauliflower Casserole

This cheesy cauliflower casserole is a crowd-pleaser! Combining the rich flavors of cheese with the low-carb goodness of cauliflower, it’s the perfect side dish or main course.

• 1 head of cauliflower, chopped
• 2 cups shredded cheddar cheese
• 1 cup heavy cream
• 1/2 cup cream cheese
• 1 tsp garlic powder
• Salt and pepper to taste
• 1/2 cup grated Parmesan cheese

Preheat your oven to 350°F (175°C). Steam the cauliflower until tender. In a bowl, mix the cheddar, heavy cream, cream cheese, garlic powder, salt, and pepper. Combine with the cauliflower and transfer to a baking dish. Top with Parmesan and bake for 25-30 minutes until golden and bubbly.

2. Chicken and Broccoli Casserole

This chicken and broccoli casserole is packed with protein and flavor. It’s a great way to get your veggies in while keeping carbs low!

• 2 cups cooked chicken, shredded
• 2 cups broccoli florets
• 1 cup sour cream
• 1 cup shredded mozzarella cheese
• 1/2 cup chicken broth
• 1 tsp onion powder
• Salt and pepper to taste

Preheat the oven to 375°F (190°C). In a large bowl, combine chicken, broccoli, sour cream, mozzarella, chicken broth, onion powder, salt, and pepper. Pour into a greased casserole dish and bake for 30-35 minutes until hot and bubbly.

3. Zucchini Lasagna

This zucchini lasagna is a fantastic low-carb alternative to traditional lasagna. It’s layered with zucchini, meat sauce, and plenty of cheese!

• 3 medium zucchinis, sliced thinly
• 1 lb ground beef or turkey
• 2 cups marinara sauce (sugar-free)
• 2 cups ricotta cheese
• 2 cups shredded mozzarella cheese
• 1 egg
• 1 tsp Italian seasoning
• Salt and pepper to taste

Preheat the oven to 375°F (190°C). In a skillet, brown the meat and add the marinara sauce. In a bowl, mix ricotta, egg, Italian seasoning, salt, and pepper. In a baking dish, layer zucchini, meat sauce, and ricotta mixture. Top with mozzarella and repeat layers. Bake for 45 minutes until bubbly.

4. Eggplant Parmesan Casserole

This eggplant parmesan casserole is a delicious vegetarian option that’s low in carbs but high in flavor!

• 2 large eggplants, sliced
• 3 cups marinara sauce (sugar-free)
• 2 cups mozzarella cheese, shredded
• 1/2 cup grated Parmesan cheese
• 1 tsp Italian seasoning
• Salt and pepper to taste

Preheat the oven to 375°F (190°C). Salt the eggplant slices and let them sit to draw out moisture. Pat dry, then layer in a baking dish with marinara, mozzarella, and Parmesan. Season with Italian seasoning, salt, and pepper. Bake for 30-35 minutes until the cheese is golden and bubbly.

5. Sausage and Spinach Casserole

This sausage and spinach casserole is packed with flavor and makes a hearty meal that can be prepared in one dish!

• 1 lb Italian sausage, casings removed
• 2 cups fresh spinach
• 1 cup heavy cream
• 1 cup shredded cheddar cheese
• 1 tsp garlic powder
• Salt and pepper to taste

Preheat the oven to 350°F (175°C). In a skillet, brown the sausage until cooked through. Add spinach and sauté until wilted. In a bowl, mix heavy cream, cheddar, garlic powder, salt, and pepper. Combine with the sausage and spinach, then transfer to a baking dish. Bake for 25-30 minutes until bubbly.

6. Tuna Casserole

This low-carb tuna casserole is a comforting dish that’s easy to throw together on a busy weeknight!

• 2 cans of tuna, drained
• 1 cup cauliflower rice
• 1 cup mayonnaise
• 1 cup shredded cheese
• 1/2 cup chopped celery
• Salt and pepper to taste

Preheat the oven to 350°F (175°C). In a bowl, mix all ingredients until well combined. Pour into a greased casserole dish and bake for 25-30 minutes until hot and cheese is melted.

7. Beef and Cabbage Casserole

This beef and cabbage casserole is a filling dish that combines ground beef with nutritious cabbage for a hearty meal!

• 1 lb ground beef
• 1 head of cabbage, chopped
• 1 can diced tomatoes
• 1/2 cup beef broth
• 1 tsp garlic powder
• Salt and pepper to taste

Preheat the oven to 375°F (190°C). In a skillet, brown the ground beef. Add cabbage, tomatoes, beef broth, garlic powder, salt, and pepper. Stir to combine, then transfer to a baking dish. Bake for 30-35 minutes until the cabbage is tender.

8. Spaghetti Squash Bake

This spaghetti squash bake is a delicious way to enjoy the flavors of pasta without the carbs!

• 1 medium spaghetti squash
• 1 lb ground turkey
• 1 cup marinara sauce (sugar-free)
• 1 cup ricotta cheese
• 1 cup mozzarella cheese, shredded
• 1 tsp Italian seasoning
• Salt and pepper to taste

Preheat the oven to 375°F (190°C). Cook the spaghetti squash in the microwave or oven until tender. In a skillet, brown the ground turkey and mix with marinara. In a baking dish, layer spaghetti squash, turkey mixture, ricotta, and mozzarella. Repeat layers and top with mozzarella. Bake for 30-35 minutes.

9. Ratatouille Casserole

This ratatouille casserole is a colorful and healthy option, packed with seasonal vegetables and flavors!

• 1 zucchini, sliced
• 1 eggplant, diced
• 1 bell pepper, diced
• 1 onion, diced
• 2 cups diced tomatoes
• 1 tsp thyme
• Salt and pepper to taste

Preheat the oven to 375°F (190°C). In a baking dish, layer the vegetables and tomatoes. Season with thyme, salt, and pepper. Cover with foil and bake for 30-35 minutes. Remove foil and bake for an additional 10 minutes until veggies are tender.

10. Creamy Mushroom Chicken Casserole

This creamy mushroom chicken casserole is perfect for those who love rich flavors and comfort food!

• 2 cups cooked chicken, shredded
• 2 cups mushrooms, sliced
• 1 cup heavy cream
• 1 cup shredded cheddar cheese
• 1 tsp garlic powder
• Salt and pepper to taste

Preheat the oven to 350°F (175°C). In a skillet, sauté mushrooms until tender. In a bowl, mix chicken, mushrooms, heavy cream, cheddar, garlic powder, salt, and pepper. Pour into a greased casserole dish and bake for 25-30 minutes until bubbly.

11. Cauliflower and Sausage Casserole

This cauliflower and sausage casserole is an easy, one-dish meal that your family will love!

• 1 lb Italian sausage, removed from casings
• 1 head of cauliflower, chopped
• 1 cup heavy cream
• 1 cup shredded mozzarella cheese
• 1 tsp Italian seasoning
• Salt and pepper to taste

Preheat the oven to 350°F (175°C). In a skillet, brown the sausage. In a large bowl, combine cooked sausage, cauliflower, heavy cream, mozzarella, Italian seasoning, salt, and pepper. Transfer to a baking dish and bake for 25-30 minutes until cauliflower is tender.

12. Cheesy Broccoli and Chicken Casserole

This cheesy broccoli and chicken casserole is a comforting dish that’s perfect for busy nights!

• 2 cups cooked chicken, shredded
• 2 cups broccoli florets
• 1 cup mayonnaise
• 1 cup shredded cheddar cheese
• 1/2 cup chicken broth
• Salt and pepper to taste

Preheat the oven to 375°F (190°C). In a bowl, mix chicken, broccoli, mayonnaise, cheddar, chicken broth, salt, and pepper. Pour into a greased casserole dish and bake for 30-35 minutes until hot and bubbly.

13. Low Carb Pizza Casserole

This low carb pizza casserole captures all the flavors of pizza without the crust! It’s a cheesy, meaty delight!

• 1 lb ground beef or turkey
• 1 cup marinara sauce (sugar-free)
• 2 cups shredded mozzarella cheese
• 1/2 cup pepperoni slices
• 1 tsp Italian seasoning
• Salt and pepper to taste

Preheat the oven to 375°F (190°C). In a skillet, brown the meat. Stir in marinara, Italian seasoning, salt, and pepper. Pour into a greased casserole dish and top with mozzarella and pepperoni. Bake for 25-30 minutes until the cheese is melted and bubbling.

14. Buffalo Chicken Casserole

This buffalo chicken casserole is spicy, cheesy, and absolutely delicious! Perfect for a weeknight dinner with a kick!

• 2 cups cooked chicken, shredded
• 1 cup buffalo sauce
• 1 cup cream cheese
• 1 cup shredded cheddar cheese
• 1/2 cup ranch dressing
• 1/4 cup chopped green onions

Preheat the oven to 350°F (175°C). In a bowl, mix chicken, buffalo sauce, cream cheese, ranch dressing, and half of the cheddar. Transfer to a greased baking dish and top with remaining cheese and green onions. Bake for 25-30 minutes until hot and bubbly.

15. Mediterranean Egg Casserole

This Mediterranean egg casserole is great for breakfast or dinner! It’s packed with flavor and low in carbs!

• 6 eggs
• 1 cup spinach, chopped
• 1/2 cup feta cheese, crumbled
• 1/2 cup sun-dried tomatoes, chopped
• 1/4 cup olives, sliced
• Salt and pepper to taste

Preheat the oven to 350°F (175°C). In a bowl, whisk together eggs, spinach, feta, sun-dried tomatoes, olives, salt, and pepper. Pour into a greased baking dish and bake for 25-30 minutes until the eggs are set.

Conclusion

These 15 delicious low carb casseroles are perfect for easy weeknight dinners. They not only save you time but also keep your meals healthy and satisfying. With a variety of flavors and ingredients, there’s something for everyone to enjoy. Whether you’re looking for something cheesy, spicy, or veggie-packed, these casseroles will make your evenings easier and more delicious. Try them out and enjoy the benefits of low-carb cooking!

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