Grilled Cheese Cheeseburger Sliders are an easy weeknight dinner! Recipe 1 lb ground beef 1 chopped onion 2 TBSP butter 1/2 tsp of salt and pepper 1 tsp each smoked paprika and garlic powder American cheese homemade burger sauce - 1/2 cup mayo, 1/4 cup ketchup, 1/8 cup mustard, 1 TBSP sweet relish Steps -Add the chopped onion to a skillet over medium high heat with the butter. -Let the onions cook down until they start to caramelize. -Cook ground beef in a skillet over medium high heat and seaso