Loaded Cheeseburger Casserole

If your family loves cheeseburgers, this Loaded Cheeseburger Casserole is about to become a regular on your dinner menu. It has everything you love about a classic cheeseburger—crispy roasted potatoes, seasoned ground beef, plenty of melty cheese, fresh toppings, and a creamy homemade burger sauce—all in one easy casserole.

It's the perfect weeknight dinner when you want something hearty, comforting, and guaranteed to satisfy. Best of all, it comes together with simple ingredients, is easy to customize with your favorite burger toppings, and don't count on leftovers... this one disappears fast!

Ingredients

For the casserole

  • 2 lbs lean ground beef
  • 2 lbs baby potatoes, diced into bite-sized pieces
  • 2 tablespoons avocado oil or olive oil
  • 2 teaspoons garlic powder
  • 2 teaspoons onion powder
  • 1 teaspoon smoked paprika
  • 1 teaspoon kosher salt
  • ½ teaspoon black pepper
  • 4 cups baby spinach
  • 2 cups shredded sharp cheddar cheese
  • 1 cup shredded mozzarella cheese

Homemade Burger Sauce

  • ¾ cup mayonnaise
  • ¼ cup ketchup
  • 1 tablespoon yellow mustard
  • 2 tablespoons pickle relish
  • 1 teaspoon Worcestershire sauce
  • ½ teaspoon garlic powder
  • ½ teaspoon smoked paprika
  • Fresh cracked black pepper, to taste

Optional Toppings

  • Dill pickle slices
  • Cherry tomatoes, halved
  • Diced red onion
  • Shredded lettuce
  • Sesame seeds
  • Bacon crumbles

Why You'll Love This Recipe

  • One easy casserole for busy weeknights
  • High in protein and loaded with flavor
  • Family-friendly and picky-eater approved
  • Great for meal prep
  • Naturally gluten-free without the bun
  • Easy to customize with your favorite burger toppings

How to Serve Cheeseburger Casserole

This casserole is best served hot, straight from the oven, while the cheese is perfectly melty and the potatoes are still crisp around the edges. Just like building your favorite cheeseburger, everyone can customize their own bowl with fresh toppings!

Here are some of our favorite ways to serve it:

  • Drizzle generously with homemade burger sauce.
  • Top with sliced dill pickles for that classic cheeseburger tang.
  • Add halved cherry tomatoes for a fresh, juicy bite.
  • Sprinkle with diced red onion for extra crunch.
  • Finish with shredded lettuce after baking if you want even more of a burger-inspired feel.
  • Add crispy bacon crumbles for an easy bacon cheeseburger twist.
  • Serve alongside fresh fruit, roasted vegetables, a simple side salad, or baked beans for a complete meal.

For meal prep, divide the casserole into individual containers and pack the burger sauce, pickles, and tomatoes separately. Add the fresh toppings after reheating for the best texture.

How to Store

Refrigerator

Allow the casserole to cool completely before storing.

Transfer leftovers to an airtight container or cover the baking dish tightly with foil or a lid. Store in the refrigerator for up to 4 days

Keep the burger sauce and fresh toppings (pickles, tomatoes, lettuce, etc.) in separate containers so everything stays fresh and crisp.

Freezer

This casserole freezes surprisingly well before adding the fresh toppings.

  • Cool completely.
  • Wrap the baking dish tightly with plastic wrap and foil, or transfer portions to freezer-safe containers.
  • Freeze for up to 3 months 

Thaw overnight in the refrigerator before reheating.

Loaded Cheeseburger Casserole

Courtney Moody

Servings

8

Prep Time

25 minutes

Cook Time

35 minutes

Calories

702

Cuisine

American

Everything you love about a cheeseburger, without the bun! Crispy roasted potatoes, seasoned beef, melty cheese, fresh toppings, and the creamiest homemade burger sauce make this an easy weeknight dinner everyone will ask for again.

Loaded Cheeseburger Casserole

Ingredients

  • 2 lbs ground beef

  • 1 small onion, diced

  • 4-5 medium russet potatoes, diced into bite-sized pieces

  • 2 tablespoons avocado oil or olive oil

  • 2 teaspoons garlic powder

  • 2 teaspoons onion powder

  • 1 teaspoon smoked paprika

  • ½ teaspoon black pepper

  • 4 cups baby spinach

  • 1 cup shredded sharp cheddar cheese

  • 1 cup shredded mozzarella cheese

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  • ¾ cup mayonnaise

  • ¼ cup ketchup

  • 1 tablespoon yellow mustard

  • 2 tablespoons pickle relish

  • 1 teaspoon Worcestershire sauce

  • ½ teaspoon garlic powder

  • ½ teaspoon smoked paprika

  • pepper, to taste

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  • Pickles

  • Bacon bits

  • Tomatoes

  • Red onion

  • Shredded lettuce

  • Sesame seeds

Directions

  1. Preheat your oven to 425 degrees.

  2. In a large skillet over medium-high heat, add 2 tablespoons of avocado oil. Once hot, add the diced onion and sauté until it becomes translucent and fragrant, about 3-4 minutes.

  3. Add the ground beef to the skillet, breaking it up with a spatula. Cook until browned and fully cooked through, about 7-10 minutes. Season with 2 teaspoons of garlic powder, 2 teaspoons of onion powder, 1 teaspoon of smoked paprika, and ½ teaspoon of black pepper. Stir well to combine and cook for an additional minute until the spices are fragrant.

  4. Wash and dice your potatoes and spread evenly on a baking sheet. Season to your liking and roast in your preheated oven for 25 minutes.

  5. In a large mixing bowl, combine the cooked ground beef mixture, diced potatoes, half of your cheese, and 4 cups of baby spinach. Stir until the spinach begins to wilt from the heat of the mixture, about 2 minutes.

  6. Transfer the mixture to a greased 9x13 inch baking dish, spreading it out evenly. Top with the rest of your cheese.

  7. Bake in the preheated oven for 25-30 minutes, or until the cheese is bubbly and golden brown!

  8. In a smaller bowl, mix together the mayonnaise, ketchup, yellow mustard, pickle relish, Worcestershire sauce, ½ teaspoon garlic powder, and ½ teaspoon smoked paprika. Stir until completely combined and smooth.

  9. You can top the casserole with the burger sauce, pickles and tomatoes. Or you can serve them on the side! My family likes the add the sauce themselves.

  10. Remove from the oven and let cool for 5 minutes before serving with your favorite toppings!

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