Ingredients: 1 pound lean ground beef 1 teaspoon salt 1 teaspoon pepper 1 teaspoon mustard powder ½ teaspoon smoked paprika 2 cups diced onion (about 1 medium onion) 3 cloves garlic, minced 12 slices cheddar cheese (or more!) 12 dinner rolls or buns Directions: Preheat […]