These bite-sized burgers are great for weeknight dinners for the kiddos, no grill required. They are also a great finger food for any dinner party. Mini-cheeseburgers will allow your guests to save plents of room for a spread of side dishes and desserts.
1 pound lean ground beef
2 tablespoons ketchup
1/4 teaspoon salt
1/4 teaspoon pepper
1 (7 1/2-ounce) package party rolls
5 (3/4-ounce) process American cheese slices, quartered