Low Carb High Protein Cheeseburger Casserole – A Satisfying Weeknight Favorite

This casserole brings all the flavors of a classic cheeseburger into a warm, comforting bake—without the carb-heavy bun. It’s simple, hearty, and packed with protein to keep you full. You get juicy ground beef, melty cheese, and a creamy, savory sauce that ties it all together.

It’s an easy win for busy weeknights and meal prep. Even picky eaters tend to love it, and it reheats beautifully.

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Low Carb High Protein Cheeseburger Casserole - A Satisfying Weeknight Favorite

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Prep Time 15 minutes mins

Cook Time 30 minutes mins

Total Time 45 minutes mins

Servings: 6 servings

Ingredients Method

Ingredients

  

• 1.5 pounds (680 g) 90–93% lean ground beef
• 1 medium yellow onion, diced
• 2 cloves garlic, minced
• 1 teaspoon kosher salt (adjust to taste)
• 1/2 teaspoon black pepper
• 1 teaspoon smoked paprika (regular paprika works too)
• 2 tablespoons sugar-free ketchup (or regular if you prefer)
• 1 tablespoon yellow mustard
• 1/4 cup dill pickles, chopped (plus extra for topping)
• 1/4 cup pickle juice (optional, for extra tang)
• 4 large eggs
• 1 cup unsweetened almond milk (or dairy milk if not strict low carb)
• 1/2 cup plain Greek yogurt (2% or nonfat)
• 1.5 cups shredded cheddar cheese, divided
• 1/4 cup grated Parmesan (adds a savory kick)
• 2 tablespoons olive oil or avocado oil
• Optional toppings: sliced green onions, diced tomatoes, shredded lettuce (served on the side), hot sauce, sesame seeds
• Cooking spray for the baking dish

Method

 

1. Preheat and prep. Heat your oven to 375°F (190°C). Lightly spray a 9x13-inch baking dish with cooking spray.
2. Cook the aromatics. Heat the oil in a large skillet over medium heat. Add the diced onion and cook 3–4 minutes until softened. Stir in the garlic and cook 30 seconds until fragrant.
3. Brown the beef. Add the ground beef, salt, pepper, and paprika. Break it up with a spatula and cook until no longer pink, about 6–8 minutes. Drain excess fat if needed.
4. Add burger flavors. Stir in ketchup, mustard, chopped pickles, and pickle juice (if using). Simmer 1–2 minutes to thicken slightly. Taste and adjust seasoning.
5. Make the protein-rich custard. In a bowl, whisk the eggs, almond milk, and Greek yogurt until smooth. Whisk in 1 cup of the cheddar and all the Parmesan.
6. Assemble. Spread the beef mixture evenly in the prepared baking dish. Pour the egg-yogurt mixture over the top, gently shaking the dish to settle it into the beef.
7. Add cheese. Sprinkle the remaining 1/2 cup cheddar evenly over the surface.
8. Bake. Bake for 25–30 minutes, until the center is set and the top is lightly golden. A knife inserted near the center should come out mostly clean.
9. Rest and garnish. Let it rest 5–10 minutes to firm up. Top with extra chopped pickles and green onions. Add a few tomato pieces or sesame seeds if you like.
10. Serve. Cut into squares and serve as is, or plate with shredded lettuce and a drizzle of mustard or sugar-free ketchup on the side.

What Makes This Special

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This recipe keeps things low carb by skipping the bun and swapping in a light egg-and-dairy base that sets like a crustless quiche. It delivers big cheeseburger flavor thanks to paprika, mustard, and pickles for a tangy finish.

The texture is rich but not heavy, and the protein count is impressive. Best of all, it comes together fast with pantry staples and a single skillet plus a baking dish.

What You’ll Need

• 1.5 pounds (680 g) 90–93% lean ground beef
• 1 medium yellow onion, diced
• 2 cloves garlic, minced
• 1 teaspoon kosher salt (adjust to taste)
• 1/2 teaspoon black pepper
• 1 teaspoon smoked paprika (regular paprika works too)
• 2 tablespoons sugar-free ketchup (or regular if you prefer)
• 1 tablespoon yellow mustard
• 1/4 cup dill pickles, chopped (plus extra for topping)
• 1/4 cup pickle juice (optional, for extra tang)
• 4 large eggs
• 1 cup unsweetened almond milk (or dairy milk if not strict low carb)
• 1/2 cup plain Greek yogurt (2% or nonfat)
• 1.5 cups shredded cheddar cheese, divided
• 1/4 cup grated Parmesan (adds a savory kick)
• 2 tablespoons olive oil or avocado oil
• Optional toppings: sliced green onions, diced tomatoes, shredded lettuce (served on the side), hot sauce, sesame seeds
• Cooking spray for the baking dish

Step-by-Step Instructions

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1. Preheat and prep. Heat your oven to 375°F (190°C). Lightly spray a 9×13-inch baking dish with cooking spray.
2. Cook the aromatics. Heat the oil in a large skillet over medium heat.

   Add the diced onion and cook 3–4 minutes until softened. Stir in the garlic and cook 30 seconds until fragrant.

3. Brown the beef. Add the ground beef, salt, pepper, and paprika. Break it up with a spatula and cook until no longer pink, about 6–8 minutes.

   Drain excess fat if needed.

4. Add burger flavors. Stir in ketchup, mustard, chopped pickles, and pickle juice (if using). Simmer 1–2 minutes to thicken slightly. Taste and adjust seasoning.
5. Make the protein-rich custard. In a bowl, whisk the eggs, almond milk, and Greek yogurt until smooth.

   Whisk in 1 cup of the cheddar and all the Parmesan.

6. Assemble. Spread the beef mixture evenly in the prepared baking dish. Pour the egg-yogurt mixture over the top, gently shaking the dish to settle it into the beef.
7. Add cheese. Sprinkle the remaining 1/2 cup cheddar evenly over the surface.
8. Bake. Bake for 25–30 minutes, until the center is set and the top is lightly golden. A knife inserted near the center should come out mostly clean.
9. Rest and garnish. Let it rest 5–10 minutes to firm up.

   Top with extra chopped pickles and green onions. Add a few tomato pieces or sesame seeds if you like.

10. Serve. Cut into squares and serve as is, or plate with shredded lettuce and a drizzle of mustard or sugar-free ketchup on the side.

Storage Instructions

• Refrigerator: Cool completely, then store in an airtight container for up to 4 days.
• Freezer: Portion into airtight containers or wrap slices tightly. Freeze up to 2 months.

  Thaw overnight in the fridge.

• Reheat: Microwave individual portions 60–90 seconds, or bake at 325°F (165°C) for 10–15 minutes until warmed through. Cover with foil to keep it moist.

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Benefits of This Recipe

• High in protein: Eggs, beef, Greek yogurt, and cheese deliver staying power and support muscle recovery.
• Low in carbs: No bun or starchy fillers, so it fits low-carb and keto-leaning goals.
• Family-friendly: Familiar cheeseburger flavors with a cleaner ingredient list.
• Great for meal prep: Makes 6–8 servings and reheats well without drying out.
• Customizable: Easy to tweak seasonings, cheeses, or add-ins to match your taste.

Common Mistakes to Avoid

• Skipping the drain: If your beef is very fatty, drain excess grease. Too much fat can make the casserole greasy and cause separation.
• Overbaking: Baking too long makes it rubbery.

  Pull it when the center is just set and the top is golden.

• Heavy-handed salt: Cheese, pickles, and ketchup add sodium. Season the beef, then taste before adding more salt.
• Watery add-ins: If adding tomatoes or mushrooms, sauté and drain first so the casserole doesn’t get soggy.
• Pouring a cold custard on hot beef: It’s fine, but work quickly and pop it into the oven right away so the egg mixture sets evenly.

Variations You Can Try

• Bacon Cheeseburger: Cook 4–6 strips of bacon until crisp, crumble, and fold into the beef or sprinkle on top before baking.
• Spicy Jalapeño: Add 1–2 chopped jalapeños to the onion, and swap cheddar for pepper jack.
• Mushroom Swiss: Sauté 8 oz sliced mushrooms until browned and add to the beef; use Swiss cheese instead of cheddar.
• Turkey or Chicken: Replace beef with lean ground turkey or chicken. Add 1 tablespoon olive oil and boost seasoning for flavor.
• Dairy Adjustments: Use lactose-free milk and cheese if needed.

  For extra creaminess, swap Greek yogurt with cottage cheese blended smooth.

• Keto Boost: Stir 2–3 tablespoons cream cheese into the beef mixture for a richer, higher-fat version.

FAQ

Can I make this casserole without eggs?

Eggs help set the casserole. If you need an alternative, whisk 1.5 cups cottage cheese with 1/2 cup heavy cream and 1 tablespoon cornstarch (or a low-carb thickener) and bake until set. The texture will be different, but still creamy.

What cheese works best besides cheddar?

Monterey Jack, Colby Jack, Swiss, or a mix of mozzarella and Parmesan all melt nicely.

Choose something with good melt and flavor, and avoid pre-shredded blends that don’t melt well.

Is this recipe keto-friendly?

Yes, especially if you use sugar-free ketchup, full-fat dairy, and skip any higher-carb toppings. Net carbs mainly come from onions, ketchup, and pickles, which are modest per serving.

How do I make it ahead?

Assemble fully, cover, and refrigerate up to 24 hours. Add 5–10 minutes to the bake time since it’ll be cold.

You can also bake it, cool, and reheat for quick meals.

Can I add vegetables to boost volume?

Absolutely. Add sautéed bell peppers, spinach, or zucchini. Cook off moisture first, then fold into the beef to keep the casserole from getting watery.

What size pan should I use?

A standard 9×13-inch dish is ideal.

For a thicker casserole, use a slightly smaller dish and add a few extra minutes to baking.

How many servings does this make?

It comfortably serves 6–8, depending on appetite. For meal prep, portion into 6 large squares for high-protein lunches.

Can I use plant-based meat?

Yes. Choose a crumble that browns well and season generously.

Note that macros and fat content will vary based on the brand.

Wrapping Up

This Low Carb High Protein Cheeseburger Casserole brings comfort-food flavor with weeknight convenience. It’s easy to assemble, flexible with ingredients, and built to satisfy without the carb crash. Keep it classic, or try a variation to match your taste.

Either way, you’ll have a reliable, protein-packed dish ready for the table or your lunchbox.