The week I learned to keep dinners simple I started making a pan of Keto Meatball Casserole on Sunday nights, the kitchen smelled like garlic and oregano, and it saved evenings when homework and meetings stacked up.
Why You’ll Love It
This casserole is reliable and fast, the kind of meal you pull from the oven when you need something filling with minimal fuss, families and meal preppers both like it, and it fits straight into a busy weekly routine where leftovers matter.
Serves 4
Prep Time: 20 minutes |
Cook Time: 35 minutes |
Total Time: 55 minutes
Ingredients
- 1 lb 80 20 ground beef
- 1 large egg, beaten
- 1/4 cup almond flour
- 1/4 cup grated Parmesan cheese
- 2 cloves garlic, minced
- 1 tsp Italian seasoning
- 1 tsp salt
- 1/2 tsp black pepper
- 1 tbsp olive oil
- 2 cups low carb marinara sauce
- 1 1/2 cups shredded mozzarella cheese
- 2 tbsp chopped fresh parsley for garnish
Instructions
- Preheat oven to 375 F and lightly oil a 9×13 inch baking dish.
- In a large bowl combine ground beef, egg, almond flour, Parmesan, garlic, Italian seasoning, salt, and pepper, mix until just combined.
- Form the mixture into 12 even meatballs, about
- 5 inches each.
- Heat olive oil in a skillet over medium high heat, brown meatballs on all sides about 3 minutes total, they do not need to be cooked through.
- Spread 1 cup of marinara evenly in the bottom of the prepared baking dish.
- Arrange browned meatballs in the dish on top of the sauce, spoon remaining sauce over the meatballs.
- Sprinkle shredded mozzarella evenly over the top.
- Bake uncovered for 25 to 30 minutes until cheese is bubbly and meatballs reach 160 F internal temperature.
- Let rest for 5 minutes, sprinkle with chopped parsley, serve warm.
Tips & Tricks
- Do not overmix the meatball mixture to keep them tender.
- Brown meatballs quickly over medium high heat to seal juices, then finish in the oven.
- Use a meat thermometer to ensure safe internal temp without overbaking.
- If almond flour is not available, grind blanched almonds to a fine meal and measure the same amount.
- Let the casserole rest a few minutes after baking so the sauce thickens and slices hold together.
Serving Ideas
- Serve with steamed broccoli or roasted Brussels sprouts for a low carb plate.
- Spoon over a bed of zucchini noodles for a family friendly presentation.
- Offer grated Parmesan and extra chopped parsley at the table for garnish.
- Pack leftovers into meal prep containers for weekday lunches.
- Serve at a casual dinner party alongside a crisp green salad.
Frequently Asked Questions
Can I make this with ground chicken or turkey
Yes, swap in ground chicken or turkey, brown the meatballs carefully since lean meats cook faster and may dry out, consider adding a tablespoon of olive oil to the mix for moisture
What is a low carb marinara option
Choose a marinara labeled low sugar or no sugar added, or make a simple sauce with crushed tomatoes, garlic, and Italian herbs to control carbs
Can I freeze cooked meatballs on their own
Yes, freeze browned meatballs on a tray until firm then transfer to a freezer bag for up to 3 months, thaw in the fridge before assembling the casserole
Is almond flour necessary for binding
Almond flour adds structure and keeps carbs low, you can use crushed pork rinds in the same 1 4 cup amount for a different texture
Keto Meatball Casserole
This casserole is reliable and fast, the kind of meal you pull from the oven when you need something filling with minimal fuss, families and meal preppers both like it, and it fits straight into a busy weekly routine where leftovers matter.
Ingredients
- 1 lb 80 20 ground beef
- 1 large egg, beaten
- 1/4 cup almond flour
- 1/4 cup grated Parmesan cheese
- 2 cloves garlic, minced
- 1 tsp Italian seasoning
- 1 tsp salt
- 1/2 tsp black pepper
- 1 tbsp olive oil
- 2 cups low carb marinara sauce
- 1 1/2 cups shredded mozzarella cheese
- 2 tbsp chopped fresh parsley for garnish
Instructions
- Preheat oven to 375 F and lightly oil a 9×13 inch baking dish.
- In a large bowl combine ground beef, egg, almond flour, Parmesan, garlic, Italian seasoning, salt, and pepper, mix until just combined.
- Form the mixture into 12 even meatballs, about
- 5 inches each.
- Heat olive oil in a skillet over medium high heat, brown meatballs on all sides about 3 minutes total, they do not need to be cooked through.
- Spread 1 cup of marinara evenly in the bottom of the prepared baking dish.
- Arrange browned meatballs in the dish on top of the sauce, spoon remaining sauce over the meatballs.
- Sprinkle shredded mozzarella evenly over the top.
- Bake uncovered for 25 to 30 minutes until cheese is bubbly and meatballs reach 160 F internal temperature.
- Let rest for 5 minutes, sprinkle with chopped parsley, serve warm.
Conclusion
This Keto Meatball Casserole is a practical weeknight solution that delivers solid protein, simple flavors, and easy leftovers, it is forgiving to small changes and works well for busy schedules, try it once and you will have a reliable template for swapping proteins, sauces, and sides, feel confident to scale or tweak it to suit your week.
