This easy keto cheeseburger casserole is hearty and filling and makes a wonderful low carb alternative to a cheeseburger.
They’re just so EASY. You place a few ingredients in the casserole dish, place it in the oven, and 30-60 minutes later, dinner is ready! To balance out the richness of this dish, I definitely recommend skipping the starches and serving it with a side veggie, such as simple steamed green beans, roasted asparagus or a green salad.
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 coarse kosher salt (not fine salt)
- 1/4 teaspoon black pepper
- 1 tablespoon minced garlic
- 1/4 cup avocado oil mayonnaise
- 1/4 cup unsweetened ketchup
- 1 tablepsoon mustard
- 1 1/2 cup shredded sharp cheddar, divided (6 oz)
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| Keto Cheeseburger Casserole |
INSTRUCTIONS
- Preheat oven to 400 degrees F. Spray a 2-quart baking dish with olive oil.
- 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.
- If there are liquids at the bottom of the skillet, drain the mixture and return it to the skillet.
- Stir in the kosher salt, black pepper, and garlic. Cook, stirring, 1 more minute.
- Turn the heat off. Stir in the mayonnaise, unsweetened ketchup, mustard, and 1 cup cheddar.
- Transfer the mixture to the prepared baking dish. Sprinkle with the remaining cheese.
- 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 cheese is melted, 1-2 minutes.
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