Meatball Sliders in Slow Cooker

Prep time is 15 minutes   Cook 4 to 5 hours on low

1 large red onion, cut into small this wedges

2 12 0z packages frozen cooked Italian meatball

1 25 ro 26 oz jar of marinara sauce

1 tablespoon balsamic vinegar

1/2 teaspoon crushed red pepper

4 Roma tomatoes, sliced

 6 sliced provolone cheese, quartered

24 cocktail buns, split

1.  Place onion wedges in a 3/12 or 4 quart slow cooker.  Top with frozen meatball.  In a medium bowl combine marinara sauce, balsamic vinegar, and crushed red pepper, Pour over meatballs.

2.  Cover and cook on low heat for 4 to 5 hours.

3.  Gently stir mixture in cooker.  Place a tomato slice and quartered cheese slice on bottom half of each cocktail bun.  Top each with a meatball; replace bun tops.  Makes about 24 sliders.