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5.0 from 45 votes

Slow Cooker Meatball Subs

These Slow Cooker Meatball Subs are extra tender and flavorful thanks to a low and slow simmer in marinara sauce.

Prep Time
15 mins
Cook Time
3 hrs 15 mins
Total Time
3 hrs 20 mins
Servings: 8 subs
Calories: 526 kcal
Course: Main Course , Lunch , Dinner
Cuisine: American

Ingredients

Meatballs
  • 1/2 cup breadcrumbs $0.32
  • 1/2 cup grated parmesan $0.88
  • 1/2 tsp garlic powder $0.05
  • 1/2 tsp onion powder $0.05
  • 1/2 tsp Italian seasoning $0.05
  • 1/4 tsp salt $0.02
  • 1/4 tsp pepper $0.02
  • 2 large eggs $0.39
  • 1/4 cup milk $0.05
  • 1 lb. Italian sausage $4.99
  • 1 lb. lean ground beef (90% lean or higher) $6.99
  • 1 oz. jar marinara $1.50
Subs
  • 8 buns or rolls $3.50
  • 1/2 cup shredded mozzarella $0.62

Instructions

    Cup of Yum
  1. Lightly whisk two large eggs in a small bowl. In a separate small bowl, combine the breadcrumbs, Parmesan, garlic powder, onion powder, Italian seasoning, salt, and pepper.
  2. Add the Italian sausage and ground beef to a large bowl with the whisked egg, breadcrumb mixture, and milk Use your hands to mix the ingredients together. Avoid overmixing the meat.
  3. Divide and shape the meat into 24 meatballs, about 3 Tbps each. The easiest way to do this is to first divide the meat mixture into four equal portions, then divide each of those in half to make eight equal portions. Finally, divide each of the 8 portions of meat into thirds and shape them into balls to make 24 meatballs.
  4. Place half of the meatballs in the bottom of a slow cooker in a single layer and cover with half of the marinara sauce. Add the rest of the meatballs then top with the remaining sauce.
  5. Cook the meatballs on high for three hours or low for six hours.
  6. After cooking, use a meat thermometer to make sure the internal temperature of the meatballs has reached 165°F. Give the meatballs and sauce a good stir to remix the sauce (there will be some fat pooling on the surface).
  7. Preheat the oven to 350°F. Place the buns on a baking sheet or in a baking dish, then pile three meatballs into each bun. Spoon some of the extra sauce over each one. Top each sub with a little shredded cheese.
  8. Bake the meatball subs in the preheated oven for about 5 minutes, or until the cheese is melted and the edges of the buns are toasty. Enjoy hot!

Nutrition Information

Serving 1sub Calories 526kcal (26%) Carbohydrates 30g (10%) Protein 31g (62%) Fat 31g (48%) Sodium 1346mg (56%) Fiber 3g (12%)

Nutrition Facts

Serving: 8subs

Amount Per Serving

Calories 526

% Daily Value*

Serving 1sub
Calories 526kcal 26%
Carbohydrates 30g 10%
Protein 31g 62%
Fat 31g 48%
Sodium 1346mg 56%
Fiber 3g 12%

* Percent Daily Values are based on a 2,000 calorie diet.