Meatball Sliders

By á-123211

Ingredients

• 1 1
• red onion cut into thin wedges (1 1/2 cups)
• 2 2
• 12 ounce package frozen cooked Italian meatballs (24)
• 1 1
• 24 ounce jar marinara or pasta sauce (about 2 1/4 cups)
• 1 1
• tablespoon balsamic vinegar
• 1/2 1/2
• teaspoon crushed red pepper
• 6 6
• slices provolone cheese, quartered (6 ounces)
• 4 4
• roma tomatoes, sliced
• 24 24
• cocktail buns, split and toasted, if desired

Details

Servings 6
Preparation time 10mins
Cooking time 120mins
Adapted from bhg.com

Preparation

Step 1

Place onion wedges in a 3 1/2- or 4-quart slow cooker. Top with frozen meatballs. In a medium bowl combine marinara sauce, balsamic vinegar, and crushed red pepper. Pour over meatballs.
Cover and cook on low-heat setting for 4 to 5 hours or on high-heat setting for 2 to 2 1/2 hours.
Gently stir through mixture in cooker. Place a cheese and a tomato slice on the bottom of each cocktail bun. Top each with a meatball;replace bun tops.