Crockpot Open-faced Meatball Sandwiches

Description
Contributed by Catsrecipes Y-Group
 * Source: Southern Living 2007 Main Dish Marvels
 * Prep: 5 minutes | Cook: 6 hr
 * Makes 6 servings

Ingredients

 * 24 frozen cooked Italian-style meatballs, thawed (like Mama Mia brand)
 * 1 (26-oz) jar super chunky mushroom pasta sauce (like Ragu)
 * 1 (15-oz) can Italian-style tomato sauce (like Hunt's)
 * 1 (5.5-oz) can spicy tomato juice (like V8 spicy juice)
 * 6 (6-inch) hoagie rolls, split but not cut through and toasted
 * 1½ cups (6 oz) shredded mozzarella cheese

Directions

 * 1) Combine first 4 ingredients in a 3-qt slow cooker.
 * 2) Cover and cook on high 1 hour.
 * 3) Reduce heat to low and cook 4½ – 5 hours or until slightly thickened.
 * 4) Spoon meatball mixture evenly over rolls.
 * 5) Sprinkle with cheese.