This easy Bisquick cheeseburger pie, also called "impossible cheeseburger pie," is one of those great old-fashioned dinners that the entire family will love!
Preheat oven to 400°F. Grease a 9-inch pie plate (or a deep 8-inch square baking dish) with nonstick cooking spray; set aside.
In a large skillet, brown ground beef and onion over medium heat until beef is no longer pink (about 8-10 minutes). Drain off fat.
Stir in salt, Worcestershire sauce, ketchup, and cheese. Transfer beef mixture to the prepared pie dish.
In a separate bowl, whisk together Bisquick, milk, and eggs, just until combined (it’s fine if you still have some lumps in the batter – do not overmix).
Pour batter on top of beef.
Bake for 25-30 minutes, or until a toothpick inserted in the center comes out clean.
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Notes
Don't overmix the Bisquick batter. Some lumps in the batter are fine! Over-mixing will activate the gluten in the flour, which results in tough, dense baked goods.
Garnish the top of each slice with your favorite cheeseburger toppings. Good options include sliced green onions, chopped pickles or pickle relish, sour cream, lettuce, and diced tomatoes. You might even like a drizzle of ketchup or mustard.
For a cleaner slice, allow the pie to rest for 10-20 minutes before serving.