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Keto / DINNER / Keto Ground Beef Pizza Casserole

Keto Ground Beef Pizza Casserole

February 19, 2026 by Kaitlyn

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If you’re looking for a comforting dinner that the whole family will love, you’ve come to the right place! This Keto Ground Beef Pizza Casserole is not only easy to make, but it also captures all the delicious flavors of pizza without the carbs. It’s perfect for busy weeknights or casual family gatherings when you want something hearty and satisfying. Trust me, once you try this dish, it’ll quickly become a favorite in your home.

The best part? You can whip this up in just about 40 minutes! Imagine digging into layers of savory ground beef, melty cheese, and vibrant veggies all covered in a tangy marinara sauce. Let’s get started on this delightful recipe!

Why You’ll Love This Recipe

  • Super easy to prepare: With just a handful of steps, you can have a delicious meal ready with minimal fuss.
  • Family-friendly: Even picky eaters will enjoy the cheesy goodness and familiar flavors of pizza in casserole form.
  • Make-ahead convenience: This casserole can be prepared ahead of time. Just pop it in the oven when you’re ready to eat!
  • Low-carb delight: Enjoy all the flavors of pizza while sticking to your keto diet.
  • Customizable: Feel free to mix and match ingredients based on what you have on hand or your family’s preferences.
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Ingredients You’ll Need

Creating this Keto Ground Beef Pizza Casserole is simple with just a few wholesome ingredients that pack a punch of flavor. Here’s what you’ll need:

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For the Casserole

  • 1 1/2 pounds Ground Beef
  • 1 tsp Italian Seasoning
  • 2 tsp Minced Garlic
  • 1 1/2 cups Keto Marinara Sauce
  • Salt and Pepper (to taste)
  • 1/4 cup Parmesan Cheese (grated)
  • 2 cups Mozzarella Cheese (shredded)
  • 1/4 cup Mushrooms (sliced)
  • 1/4 cup Red Onion (sliced)
  • 1/4 cup Bell Pepper (sliced)
  • 1/4 cup Turkey Pepperoni Slices

Variations

One of the best things about this recipe is its flexibility! You can easily customize it to suit your tastes or use up what you have in your fridge. Here are a few ideas:

  • Swap the protein: Use ground turkey or chicken instead of beef for a lighter option.
  • Change up the veggies: Toss in spinach, zucchini, or any other favorite vegetables for added nutrition.
  • Add some heat: If you enjoy a kick, sprinkle in some red pepper flakes or jalapeños.
  • Experiment with cheese: Try using different types of cheese like cheddar or provolone for a unique twist.

How to Make Keto Ground Beef Pizza Casserole

Step 1: Brown the Ground Beef

Start by adding the ground beef to a skillet over medium-high heat. This step is crucial because browning the beef enhances its flavor and gives it that lovely crust we all adore. Cook until it’s completely browned, then drain any excess grease.

Step 2: Add Flavorful Seasonings

Reduce the heat to medium and mix in your minced garlic, Italian seasoning, and salt and pepper to taste. Sautéing for just 30 seconds allows those fragrant spices to release their oils, making your dish even tastier.

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Step 3: Combine with Marinara Sauce

Pour in the keto marinara sauce and stir everything together well. This not only adds moisture but also infuses every bite with that classic pizza flavor we crave.

Step 4: Preheat Your Oven

While you’re combining ingredients, preheat your oven to 350 degrees. Getting it hot before baking ensures that your casserole cooks evenly.

Step 5: Assemble Your Casserole

Spread the ground beef mixture into a greased 9×9 baking dish. This forms the base layer that holds everything together. Next, sprinkle on parmesan cheese followed by two-thirds of mozzarella cheese—this creates a cheesy layer that’s hard to resist.

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Step 6: Layer on Fresh Veggies and Turkey Pepperoni

Now it’s time for fun! Layer on sliced mushrooms, red onion, bell pepper, and turkey pepperoni. These add not only flavor but also color and texture.

Step 7: Top It Off with More Cheese

Finish off by sprinkling on the remaining mozzarella cheese over everything. Who doesn’t love extra cheese? It melts beautifully and forms a golden crust as it bakes.

Step 8: Bake Until Bubbly

Pop your casserole into the preheated oven and bake for about 20 minutes. You’ll know it’s done when everything is bubbling and golden brown on top—just like pizza should be!

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With these simple steps, you’ll create an amazing Keto Ground Beef Pizza Casserole that’s sure to be enjoyed at dinner tonight!

Pro Tips for Making Keto Ground Beef Pizza Casserole

This Keto Ground Beef Pizza Casserole is a delightful twist on traditional pizza, and with a few simple tips, you can make it even better!

  • Use Fresh Ingredients: Fresh vegetables and high-quality meats enhance the flavors tremendously. They bring out the best in your casserole, making each bite a taste sensation.

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  • Don’t Skip the Seasoning: Seasoning your ground beef well is crucial. It adds depth to your dish and ensures that every layer of your casserole is bursting with flavor.

  • Experiment with Cheese: While mozzarella and parmesan are classic choices, feel free to mix in other cheeses like cheddar or provolone for an extra cheesy experience. Different cheeses can bring unique flavors and textures.

  • Customize Your Toppings: Get creative with your toppings! You can add olives, spinach, or any other favorite pizza toppings. This allows you to tailor the dish to your personal taste preferences.

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  • Let It Rest Before Serving: Allowing the casserole to sit for about 5-10 minutes after baking helps it set up nicely. This makes serving easier and enhances the overall texture.

How to Serve Keto Ground Beef Pizza Casserole

Serving your Keto Ground Beef Pizza Casserole can be as fun as making it! Here are some ideas to present this delicious meal beautifully.

Garnishes

  • Chopped Fresh Basil: A sprinkle of fresh basil adds a burst of color and a refreshing flavor that complements the richness of the casserole.
  • Red Pepper Flakes: For those who enjoy a little heat, adding red pepper flakes on top before serving gives it an extra kick.
  • Parmesan Shavings: A few shavings of Parmesan cheese on top just before serving will give an elegant touch and a savory taste boost.

Side Dishes

  • Cauliflower Rice: This low-carb side dish is light and fluffy, making it a perfect base for soaking up the flavors of the casserole.
  • Zucchini Noodles: A great alternative to pasta, zucchini noodles provide a fresh crunch that pairs well with the hearty casserole.
  • Garlic Butter Green Beans: Crisp-tender green beans sautéed in garlic butter offer a delightful contrast in texture and taste while keeping your meal keto-friendly.
  • Side Salad: A simple mixed greens salad tossed in olive oil and vinegar adds freshness and balances out the richness of the casserole.

With these tips and serving suggestions, you’re all set to enjoy a satisfying meal that’s both comforting and keto-friendly!

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Make Ahead and Storage

This Keto Ground Beef Pizza Casserole is perfect for meal prep! You can easily make it ahead of time and store it for later, making weeknight dinners a breeze. Here’s how to keep your delicious casserole fresh:

Storing Leftovers

  • Store any leftovers in an airtight container in the refrigerator for up to 3 days.
  • Allow the casserole to cool completely before sealing it to prevent condensation.

Freezing

  • To freeze, let the casserole cool completely then transfer it to a freezer-safe container or use foil to wrap it tightly.
  • Label the container with the date and freeze for up to 2 months.

Reheating

  • Thaw overnight in the refrigerator if frozen, or use the microwave for quicker reheating.
  • Reheat in an oven preheated to 350°F (175°C) for about 15-20 minutes until warmed through.

FAQs

If you have questions about this delicious dish, you’re not alone! Here are some common queries:

Can I make Keto Ground Beef Pizza Casserole ahead of time?

Absolutely! This casserole is great for meal prep. You can prepare it, store it in the fridge, and bake it when you’re ready to eat.

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What other toppings can I add to Keto Ground Beef Pizza Casserole?

Feel free to customize your casserole with additional toppings like olives, spinach, or different types of cheese. The possibilities are endless!

How do I ensure my Keto Ground Beef Pizza Casserole isn’t watery?

Make sure to drain any excess grease from the ground beef after browning. Using low-carb marinara sauce that’s not too watery will also help keep your casserole from becoming soggy.

Is this recipe suitable for freezing?

Yes, you can freeze this casserole! Just be sure to allow it to cool completely before transferring it into a freezer-safe container.

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Final Thoughts

This Keto Ground Beef Pizza Casserole is not only a delightful twist on traditional pizza but also a wonderful option for those following a keto lifestyle. I hope you find joy in preparing this dish as much as I enjoyed sharing it with you. Whether it’s a busy weeknight or a cozy weekend dinner, this casserole is bound to please everyone at your table. Happy cooking, and enjoy every cheesy bite!


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Why You’ll Love This Recipe

If you’re a pizza lover but want to keep it low-carb, this Keto Ground Beef Pizza Casserole is your new best friend! It’s packed with all the savory flavors you adore—juicy ground beef, melty cheese, and zesty marinara—without the guilt of traditional pizza crust. Plus, it’s incredibly easy to make and perfect for meal prep, making weeknight dinners a breeze!

Ingredients You’ll Need

  • 1 1/2 pounds Ground Beef
  • 1 tsp Italian Seasoning
  • 2 tsp Minced Garlic
  • 1 1/2 cups Keto Marinara Sauce
  • Salt and Pepper (to taste)
  • 1/4 cup Parmesan Cheese (grated)
  • 2 cups Mozzarella Cheese (shredded)
  • 1/4 cup Mushrooms (sliced)
  • 1/4 cup Red Onion (sliced)
  • 1/4 cup Bell Pepper (sliced)
  • 1/4 cup Pepperoni Slices

Variations

  • Vegetarian Option: Substitute ground beef with a mix of sautéed zucchini, spinach, and bell peppers for a delicious vegetarian version.
  • Spicy Kick: Add sliced jalapeños or red pepper flakes for an extra kick of heat.
  • Cheese Lovers: Experiment with different cheeses like provolone or cheddar for a unique flavor profile.

How to Make

  1. Add the ground beef to a skillet over medium-high heat. Sauté until the meat is completely browned. Drain the excess grease.
  2. Reduce the heat to medium, and mix in the garlic, Italian seasoning, and salt and pepper to taste. Sauté for 30 seconds.
  3. Pour in the sauce and stir to combine.
  4. Preheat the oven to 350 degrees.
  5. Spread the ground beef mixture into the bottom of a 9×9 baking dish.
  6. Top with the parmesan cheese and ⅔ of the mozzarella cheese.
  7. Layer on the mushrooms, onions, bell pepper, and pepperoni.
  8. Sprinkle on the remaining mozzarella cheese.
  9. Bake for 20 minutes.

Pro Tips

  • Brown the Beef Well: Make sure to brown the beef thoroughly to enhance the flavor of the casserole.
  • Allow to Rest: Let the casserole sit for a few minutes after baking to make slicing easier.
  • Customize Toppings: Feel free to add your favorite pizza toppings like olives or artichokes!

How to Serve

Serve this casserole hot, straight from the oven! Pair it with a fresh green salad or some roasted vegetables for a complete meal. It’s also great with a dollop of sour cream or a sprinkle of fresh basil on top.

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Make Ahead and Storage

You can prepare this casserole in advance! Assemble it, cover, and refrigerate for up to 24 hours before baking. Leftovers can be stored in an airtight container in the fridge for up to 3 days. Reheat in the oven or microwave before serving.

FAQs

  • Can I freeze this casserole? Yes! Freeze before baking for up to 3 months. Thaw in the fridge overnight before baking.
  • Is this recipe suitable for meal prep? Absolutely! It’s perfect for meal prep as it reheats well and maintains its flavor.
  • Can I use ground turkey instead of beef? Yes, ground turkey is a great alternative and will work just as well in this recipe.

Final Thoughts

This Keto Ground Beef Pizza Casserole is a delicious and satisfying way to enjoy all the flavors of pizza without the carbs. Whether you’re on a keto diet or just looking for a healthier dinner option, this recipe is sure to become a family favorite. Enjoy every cheesy, meaty bite!

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Keto Ground Beef Pizza Casserole

Keto Ground Beef Pizza Casserole
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If you’re craving a hearty meal that brings all the comforting flavors of pizza without the carbs, look no further than this Keto Ground Beef Pizza Casserole. This dish layers savory ground beef, gooey cheese, and fresh vegetables all smothered in a rich marinara sauce, making it a perfect choice for busy weeknights or family gatherings. It’s not only easy to prepare—taking just about 40 minutes from start to finish—but also highly customizable to suit your family’s tastes.

  • Author: Kaitlyn
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 40 minutes
  • Yield: Serves approximately 6 people 1x
  • Category: Main
  • Method: Baking
  • Cuisine: American

Ingredients

Scale
  • 1 1/2 pounds Ground Beef
  • 1 tsp Italian Seasoning
  • 2 tsp Minced Garlic
  • 1 1/2 cups Keto Marinara Sauce
  • Salt and Pepper (to taste)
  • 1/4 cup Parmesan Cheese (grated)
  • 2 cups Mozzarella Cheese (shredded)
  • 1/4 cup Mushrooms (sliced)
  • 1/4 cup Red Onion (sliced)
  • 1/4 cup Bell Pepper (sliced)
  • 1/4 cup Turkey pepperoni Slices

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a skillet over medium-high heat, brown the ground beef until fully cooked. Drain excess grease.
  3. Stir in garlic, Italian seasoning, and salt and pepper; sauté for another 30 seconds.
  4. Mix in the marinara sauce until well incorporated.
  5. Spread the beef mixture into a greased 9×9 baking dish.
  6. Top with Parmesan cheese and two-thirds of the mozzarella cheese.
  7. Layer on mushrooms, onions, bell peppers, and turkey pepperoni.
  8. Finish with the remaining mozzarella cheese on top.
  9. Bake for about 20 minutes or until bubbly and golden brown.

Nutrition

  • Serving Size: 1 serving
  • Calories: 320
  • Sugar: 4g
  • Sodium: 720mg
  • Fat: 22g
  • Saturated Fat: 10g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 6g
  • Fiber: 2g
  • Protein: 26g
  • Cholesterol: 85mg

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