Webfoot's Stuffed Mushrooms

From Cheesewiki

Bacon Stuffed Mushrooms

1 lb. fresh mushrooms
2 Tbsp. chopped onions
2 Tbsp. butter
1 slice bread, torn into small pieces
1 cup (4 ox.) shredded Cheddar cheese
1 can (3 oz) bacon bits

Remove stems from mushrooms and set aside caps; chop stems. Cook onions and chopped mushroom stems in butter until tender; add bread pieces. Remove from heat; stir in bacon bits and cheese. Mound filling in caps; place in shallow baking pan. Bake in 400° F oven 15 min. until cheese is melted. Serve warm. Makes 15-20 appetizers.