Keto Hamburger Casserole

This hearty casserole is a fantastic way to enjoy the flavors of a classic burger while sticking to a low-carb lifestyle. Featuring layers of seasoned ground beef, gooey cheese, and vibrant vegetables, it’s perfect for anyone craving comfort food without the carbs. Personally, I love making this dish when I have friends over; it never fails to impress!

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keto hamburger casserole 2026 02 13 111126 1

Hamburger Casserole


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  • Author: Lorena Kensley
  • Total Time: 45 minutes
  • Yield: 4 servings
  • Diet: Low-Carb

Description

A hearty casserole combining seasoned ground beef, gooey cheese, and vibrant vegetables, perfect for a low-carb lifestyle.


Ingredients

  • 1 pound ground beef
  • 1 cup diced onion
  • 1 cup diced bell peppers (any color)
  • 2 cloves garlic, minced
  • 1 can diced tomatoes (14 oz), drained
  • 2 cups shredded cheese (cheddar or your choice)
  • 2 eggs
  • 1 teaspoon Italian seasoning
  • Salt and pepper to taste


Instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a skillet, brown the ground beef over medium heat. Drain excess fat.
  3. Add diced onion, bell peppers, and garlic; sauté until softened.
  4. Stir in the drained tomatoes, Italian seasoning, salt, and pepper. Mix well.
  5. In a bowl, whisk together eggs and half the cheese; add this mixture to the beef mixture and stir to combine.
  6. Pour the mixture into a greased baking dish and top with the remaining cheese.
  7. Bake for 25-30 minutes or until the cheese is bubbly and golden.

Notes

Leftovers can be stored in the refrigerator for up to three days. Reheat in the oven or microwave.

  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Main Course
  • Method: Baking
  • Cuisine: American

Why you’ll love this dish

Not only is this casserole comforting and satisfying, but it also comes together quickly, making it a great option for busy days. The combination of flavors and textures will have your taste buds singing, while the wholesome ingredients keep it nutritious.

“An absolute game-changer! I didn’t miss the buns at all!”

How this recipe comes together

Creating this dish is a straightforward process that combines simple steps to achieve a rich and satisfying meal. You’ll start by browning the beef, then layer it with vegetables and cheese for a dish that bakes beautifully in the oven.

Prep Time: 15 min | Cook Time: 30 min | Total Time: 45 min

What you’ll need

  • 1 pound ground beef
  • 1 cup diced onion
  • 1 cup diced bell peppers (any color)
  • 2 cloves garlic, minced
  • 1 can diced tomatoes (14 oz), drained
  • 2 cups shredded cheese (cheddar or your choice)
  • 2 eggs
  • 1 teaspoon Italian seasoning
  • Salt and pepper to taste

Directions to follow

  1. Preheat your oven to 350°F (175°C).
  2. In a skillet, brown the ground beef over medium heat. Drain excess fat.
  3. Add diced onion, bell peppers, and garlic; sauté until softened.
  4. Stir in the drained tomatoes, Italian seasoning, salt, and pepper. Mix well.
  5. In a bowl, whisk together eggs and half the cheese; add this mixture to the beef mixture and stir to combine.
  6. Pour the mixture into a greased baking dish and top with the remaining cheese.
  7. Bake for 25-30 minutes or until the cheese is bubbly and golden.

Best ways to enjoy it

This casserole can be enjoyed on its own or paired with a fresh salad for a complete meal. For an added touch, consider serving it with a dollop of sour cream or your favorite low-carb dressing. It also makes an excellent filling for lettuce wraps!

Storage and reheating tips

Leftovers can be stored in the refrigerator for up to three days. Ensure they are in an airtight container to maintain freshness. When you’re ready to enjoy your leftovers, simply reheat in the oven at 350°F until warmed through, or microwave if you’re in a hurry.

Helpful cooking tips

To enhance the flavor, try experimenting with different seasonings like smoked paprika or chili powder. You can also swap the vegetables based on your preferences or what’s available in your pantry—zucchini and mushrooms would work great!

Creative twists

Thinking about customization? Consider adding some sautéed mushrooms for an earthy flavor or substituting the ground beef with chicken or turkey for a lighter option. For a spicier kick, throw in some jalapeños or a dash of hot sauce.

FAQ

Can I make this ahead of time?

Absolutely! You can prepare the casserole and store it in the refrigerator before baking. Just add an extra 10 minutes to the cooking time if going straight from the fridge to the oven.

Is this dish suitable for freezing?

Yes, this casserole freezes well. Just ensure it’s completely cooled before transferring to an airtight container. It can be frozen for up to three months.

What if I don’t have a particular ingredient?

Feel free to substitute or omit any ingredients you don’t have. For instance, if you’re out of cheese, you can easily omit it or use a different kind!

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