BBQ Meatball Sliders

Ingredients
1 pound ground beef
1/2 cup bread crumbs
1/2 cup shredded cheese
1 egg
1/3 pound bacon, chopped
1 medium onion, chopped
1/4 cup BBQ sauce
3 slices cheddar cheese
12 Rolls
Directions
1 - Preheat oven to 375 degrees F and line a lipped baking sheet with parchment paper and non-stick spray or a Silpat baking mat.
2 - Combine the bread crumbs, shredded cheese, ground beef and egg until evenly distributed.
3- Roll the mixture into 1-1/2 to 2 inch meatballs and space evenly on the baking sheet. Bake for 30 minutes.
4-While the meatballs are baking, fry the bacon until crispy over medium-high heat. Remove bacon from skillet, leaving the grease in the skillet.
5-Add the onions to the skillet and reduce heat to medium, stirring often until tender.
6- Cut rolls in half and add one meatball to the bottom portion of each roll. Brush the tops with BBQ sauce.
7-On top of the meatballs add the cheese slices, bacon bits and grilled onions.
8-Place under the broiler next to the roll tops for 2-3 minutes until cheese is melted.
9-Top the meatballs with the rolls and serve.