Mix meat, dry soup mix and egg just until blended; shape into 16 (1-inch) balls.
Place in slow cooker sprayed with cooking spray.
Top with onions, peppers and barbecue sauce; cover with lid.
Cook on LOW 5 to 7 hours (or on HIGH 2 to 3 hours). Stir gently to evenly coat meatballs with sauce.
Place 1 roll half on each serving plate; top with 1/4 of the meatballs and sauce.
Top sandwiches evenly with 1/4 cup KRAFT Shredded Mozzarella Cheese before serving.
Prepare using your favorite variety of KRAFT Barbecue Sauce.
Calories From Fat
% Daily Value*
Total Fat 13g
Saturated Fat 4.5g
Trans Fat 0g
Total Carbohydrates 31g
Dietary Fiber 2g
* Percent Daily Values are based on a 2,000 calorie diet.
* Nutrition information is estimated based on the ingredients and cooking instructions as described in each recipe and is intended to be used for informational purposes only. Please note that nutrition details may vary based on methods of preparation, origin and freshness of ingredients used.