Recipes and Cooking Slow-Cooker Meatball Sandwiches 4.1 (27) 1 Reviews Slow cooker sandwiches? Count us in! The meatballs for these sandwiches slow cook in just a few hours, so you can enjoy a warm and delicious winter meal. By BHG Test Kitchen BHG Test Kitchen The Better Homes & Gardens Test Kitchen has been in continuous operation for nearly 100 years, developing and testing practical, reliable recipes that readers can enjoy at home. The Test Kitchen team includes culinary specialists, food stylists, registered and licensed nutritionists, and other experts with Bachelor of Science degrees in food science, food and nutrition, or culinary arts. Together, the team tests more than 2,500 recipes, produces more than 2,500 food images, and creates more than 1,000 food videos each year in the state-of-the-art test kitchen. Learn about BHG's Editorial Process Published on June 14, 2011 Print Share Share Tweet Pin Email Photo: Blaine Moats Prep Time: 30 mins Cook Time: 3 hrs Bake Time: 25 mins Total Time: 3 hrs 55 mins Servings: 8 Jump to Nutrition Facts Ingredients 1 egg, lightly beaten ⅓ cup fine dry bread crumbs ⅔ cup finely chopped onion (2 small) ½ teaspoon salt ½ teaspoon dried oregano, crushed ¼ teaspoon ground black pepper 1 ½ pound lean ground beef 1 15 ounce can tomato sauce ½ cup chopped green sweet pepper (1 small) 2 tablespoon packed brown sugar 1 tablespoon yellow mustard 1 teaspoon chili powder ¼ teaspoon garlic salt ¼ teaspoon ground black pepper ⅛ teaspoon bottled hot pepper sauce 8 hoagie buns, split and toasted 2 cup shredded mozzarela cheese (8 ounces) Directions In a large bowl, stir together egg, bread crumbs, 1/3 cup onion, the salt, oregano, and 1/4 teaspoon black pepper. Add ground beef; mix well. Shape meat mixture into 32 balls. Arrange meatballs in a single layer in an ungreased 15x10x1-inch baking pan. Bake, uncovered, in a 350 degree F oven for 25 minutes. Drain off fat. For the sauce, in a 3-1/2- or 4-quart slow cooker, stir together tomato sauce, the remaining 1/3 cup onion, the sweet pepper, brown sugar, mustard, chili powder, garlic salt, 1/4 teaspoon black pepper, and the hot pepper sauce. Add cooked meatballs, stirring gently to coat with sauce. Cover and cook on low-heat setting for 3 to 4 hours or on high-heat setting for 1-1/2 to 2 hours. Place four meatballs on the bottom of each bun. Top with some of the sauce and some of the cheese. Add bun tops. Makes 8 servings. For Easy Cleanup: Line your slow cooker with a disposable slow cooker liner. Add ingredients as directed in recipe. Once your dish is finished cooking, spoon the food out of your slow cooker and simply dispose of the liner. Do not lift or transport the disposable liner with food inside. Print Nutrition Facts (per serving) 724 Calories 28g Fat 84g Carbs 36g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 8 Calories 724 % Daily Value * Total Fat 28g 36% Saturated Fat 11g 55% Cholesterol 99mg 33% Sodium 1504mg 65% Total Carbohydrate 84g 31% Total Sugars 15g Protein 36g Vitamin C 7.1mg 36% Calcium 343.3mg 26% Iron 6.3mg 35% Potassium 438mg 9% Folate, total 12.1mcg Vitamin B-12 2mcg Vitamin B-6 0.4mg *The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.