Cheeseburger Bites

Ingredients
1 lb lean (at least 80%) ground beef
2 tablespoons ketchup
2 teaspoons instant minced onion
1 teaspoon yellow mustard
8 oz American cheese loaf, cut into 2-inch cubes (2 cups)
24 miniature burger buns, split

Toppings, as Desired
Dill pickle chips
Sliced plum (Roma) tomatoes
Shredded lettuce
Additional ketchup and mustard

Preparation
In 10-inch skillet, cook beef over medium-high heat 5 to 7 minutes, stirring frequently, until thoroughly cooked; drain. Stir in 2 tablespoons ketchup, the onion and 1 teaspoon mustard.

Spray 3 1⁄2- to 4-quart slow cooker with cooking spray. Into slow cooker, spoon beef mixture. Top with cheese.

Cover; cook on Low heat setting 3 to 4 hours.

Just before serving, stir beef mixture. Spoon 1 rounded tablespoon mixture into each bun. Serve with desired toppings.

http://www.thenest.com/Recipes/Beef_Slow-Cooker_Party-Pleasers_4th-of-July_Appetizers_American-food_Summer-food_Superbowl_42505/detailview.aspx?type=7&id=42505