Keto Cheeseburger Casserole, Hearty and Cheesy
Ingredients
- Olive oil spray
for the baking dish
- 2 tablespoons olive oil
- 2 lb. extra lean ground beef
- 1 medium onion)
finely chopped (6 oz
- 2 teaspoons Diamond Crystal kosher salt
or 1 teaspoon fine salt
- 1/4 teaspoon black pepper
- 1 tablespoon minced fresh garlic
- 1/4 cup avocado oil mayonnaise
- 1/4 cup unsweetened ketchup
- 1 tablespoon mustard
- 1 1/2 cup shredded sharp cheddar)
divided (6 oz
Directions
- 1
Preheat your oven to 400 degrees F. Spray a 2-quart baking dish with olive oil.
- 2
Heat the olive oil in a large skillet over medium-high heat, about 2 minutes. Add the beef and the onions. Cook, stirring to break up the beef, until the meat is browned and the onion is soft, about 5 minutes.
- 3
If there are liquids at the bottom of the skillet, carefuly drain the mixture and return it to the skillet.
- 4
Stir in the kosher salt, black pepper, and garlic. Cook, stirring, 1 more minute.
- 5
Turn the heat off. Stir in the mayonnaise, unsweetened ketchup, mustard, and 1 cup cheddar.
- 6
Transfer the mixture to the prepared baking dish. Sprinkle with the remaining cheese.
- 7
Bake until the cheese is melted and the casserole is heated through, about 15 minutes. Or, if your baking dish is broiler-safe, broil the casserole 6 inches below the heating element (not directly below) until the cheese is melted, 1-2 minutes.
Keto Cheeseburger Casserole, Hearty and Cheesy
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About this Recipe
Craving the classic flavors of a juicy cheeseburger without the carbs? This Keto Cheeseburger Casserole delivers all the hearty, cheesy goodness in a wonderfully satisfying, low-carb meal. It's the perfect solution when you desire that rich, savory comfort food experience without compromising your dietary goals.
Why This Recipe Works
What makes this casserole a weeknight hero is its incredible ease and speed; it's ready for the oven with just 15 minutes of prep. You get that beloved cheeseburger taste, from the savory extra lean ground beef and aromatic onion base to the tangy, creamy sauce made with avocado oil mayonnaise and unsweetened ketchup, all brought together under a blanket of sharp cheddar.
What to Expect
Prepare for a truly comforting and flavorful dish that brings the essence of a cheeseburger to your table in a different form. Each forkful offers tender, seasoned ground beef infused with aromatic onion and garlic, bound by a rich, tangy sauce reminiscent of your favorite burger condiments. Topped with abundant sharp cheddar, it bakes into a bubbly, golden crust over a hearty, satisfying base. This keto-friendly casserole is designed to be both delicious and deeply fulfilling, perfect for anyone seeking a substantial low-carb meal.
Customization & Variations
While delicious as is, this keto cheeseburger casserole offers room for personal touches. Consider swapping out some of the sharp cheddar for a mix of Monterey Jack or smoked cheddar for a different cheesy dimension. For an extra punch of flavor, you can always add a pinch of cayenne pepper to the beef as it cooks. To serve, offer classic cheeseburger toppings like sugar-free pickles, crispy bacon bits, or a sprinkle of fresh chives on the side.
Serving & Context
This hearty and cheesy casserole is ideal for a busy weeknight dinner when you need a comforting, low-carb meal on the table fast. It’s a complete meal on its own, but pairs wonderfully with a simple green salad for added freshness.