Low-Carb Keto Crustless Pizza Casserole
A comforting, low-carb casserole packed with the flavors of pizza, perfect for ketogenic diets and busy weeknights.

There’s something irresistibly comforting about a dish that brings together the familiar flavors of pizza without the carb load. This Easy Low-Carb Keto Crustless Pizza Casserole is everything you love about pizza, packed into a delightful casserole form. Whether you’re on a ketogenic diet or simply looking for a quick weeknight meal that the whole family will enjoy, this recipe is a game changer. In my experience, it’s the go-to option when craving pizza but wanting to keep things light, flavorful, and easy.
Why you’ll love this dish
Why make this casserole? For starters, it’s a low-carb dream come true—perfect for those on ketogenic diets or anyone seeking healthier meal options. This comforting dish comes together quickly, making it an excellent choice for busy weeknights or last-minute dinner plans. The combination of savory ground beef, zesty beef pepperoni, and melted cheese hits all the right notes without the guilt of regular pizza.
A recent reviewer shared, “This casserole is a lifesaver! It’s so easy to whip up, and my kids ask for it every week. It’s an everyday meal that doesn’t feel everyday!”
The cooking process explained
Making this Easy Low-Carb Keto Crustless Pizza Casserole isn’t just easy; it’s also straightforward. You’ll cook and combine your ingredients, bake them until bubbly, and voilà—you have a delicious, hearty dish ready for the table. If you’ve ever wanted a pizza feast without all the hassle, this is the recipe to try!
What you’ll need
Gather these items for a tasty casserole that will satisfy everyone at the table:
- 1 lb ground beef (Cooked and drained)
- 1 cup beef pepperoni slices (Blot with paper towel if greasy)
- 1 cup shredded mozzarella cheese (Use low-moisture for best results)
- 1/2 cup grated Parmesan cheese (Adds salty flavor)
- 1 cup marinara sauce (Simmer if watery to prevent sogginess)
- 1/2 cup chopped bell peppers (Chop in larger pieces for texture)
- 1/2 cup chopped onions (For added sweetness)
- 2 large eggs (Bind the mixture together)
- 1 tsp Italian seasoning (For flavor)
- Salt and pepper to taste (Adjust according to preference)
Feel free to substitute ground turkey for a leaner option or swap out the marinara for a low-sugar sauce to keep things even more keto-friendly.
Directions to follow
- Preheat your oven to 350°F (175°C).
- In a skillet, cook the ground beef over medium heat until browned. Drain excess fat.
- In a bowl, combine the cooked beef, beef pepperoni, mozzarella, Parmesan, marinara sauce, chopped bell peppers, onions, eggs, Italian seasoning, salt, and pepper. Mix well.
- Pour the mixture into a greased baking dish, spreading it evenly.
- Bake for 30-35 minutes, or until the top is golden and the casserole is set.
- Allow it to cool slightly before serving.

Easy Low-Carb Keto Crustless Pizza Casserole
- Prep
- 15 MIN
- Cook
- 35 MIN
- Total
- 50 MIN
- Serves
- 6
01Ingredients
Main Ingredients
02Method
- Preparation
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0 OF 6 DONE03Recipe notes
- 01For a firmer texture, add a few tablespoons of almond flour. Don't skip blotting your beef pepperoni if it's greasy to keep the casserole from becoming too oily.
04Nutrition
Per serving- Calories
- 427
- Protein
- 26G
- Net carbs
- 6G
- Fat
- 33G
- Fiber
- 1G
Net carbs are total carbs minus fiber. Numbers are estimates from the ingredients listed.
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Best ways to enjoy it
Serving this Easy Low-Carb Keto Crustless Pizza Casserole can be just as fun as making it! Consider pairing it with a fresh side salad to balance the richness, or some sautéed veggies for added color and flavor. If you’re hosting, it can also make a wonderful buffet-style dish where guests can serve themselves, maybe alongside some low-carb garlic bread for extra indulgence.
Keeping leftovers fresh
To store leftovers, let the casserole cool completely, then cover it tightly with plastic wrap or transfer it into an airtight container. You can safely refrigerate it for up to 4 days or freeze portions for up to 3 months. When reheating, make sure it’s heated thoroughly to 165°F (74°C) for safe consumption.
Creative twists
There are plenty of ways to get creative with this recipe. Want to introduce more veggies? Add sliced mushrooms or diced zucchini to the mix. You can even try various cheeses for a more gourmet flavor, such as gouda or cheddar. Whatever your preferences, this recipe offers a fantastic base for experimentation.
FAQs
What is the prep time for the casserole?
Prep time is about 15 minutes, and baking takes around 30-35 minutes, making it a quick meal option.
Can I use different meats?
Absolutely! Ground turkey or chicken makes a great substitute for those looking for different flavors or leaner options.
Is this dish suitable for freezing?
Yes, the casserole freezes well. Just make sure it’s sealed tightly to prevent freezer burn.
Conclusion
This Easy Low-Carb Keto Crustless Pizza Casserole is not only a fantastic way to enjoy the flavors of pizza without the carbs, but it also brings convenience to your table. Searching for variations or other creative interpretations? For more ideas, check out Keto Pizza Casserole (Crustless Pizza) – Dr. Davinah’s Eats and my Low Carb Pizza Casserole.
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