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Crockpot Meatball Subs

Homemade meatballs made in the crockpot are perfect for stuffing inside a toasty hoagie roll. These meatball subs are a favorite around here.

Prep Time
15 mins
Cook Time
4 hrs 15 mins
Total Time
4 hrs 25 mins
Servings: 4 sandwiches
Calories: 1134 kcal
Course: Main Course
Cuisine: Italian

Ingredients

For the meatballs:
  • 1 pound ground beef
  • ½ pound ground pork
  • 1 cup Italian Style Bread Crumbs
  • 1/4 cup powdered Parmesan
  • ¼ cup chopped parsley
  • 2 cloves garlic minced
  • 1 onion minced
  • 1 egg
For the sauce:
  • 28 ounce jar marinara
  • 15 ounces crushed tomatoes
  • 4 cloves garlic minced
  • 1 teaspoon onion powder
  • ¼ teaspoon red pepper flakes
  • 1 teaspoon salt
  • ½ teaspoon sugar
For the subs:
  • 4 Hoagie rolls
  • 4 tablespoons butter softened
  • 2 teaspoons garlic salt
  • 8 slices fresh mozzarella cheese
  • 1 tablespoon parsely minced

Instructions

To make the meatballs:
    Cup of Yum
  1. Preheat oven to 400 degrees. Spray a rimmed baking sheet with non-stick spray.
  2. Add the ground beef, pork, bread crumbs, Parmesan, parsley, garlic, onion, and egg to a large mixing bowl and combine well with your hands. Do not overmix.
  3. Separate the mixture into 12 equal sized chunks and roll into meatballs.
  4. Place meatballs on prepared baking sheet and bake for 10 minutes.
To make the sauce:
  1. Add all of the sauce ingredients to a 6 quart slow cooker and stir well to combine.
  2. Remove the meatballs from the oven and place in the slow cooker with the sauce.
  3. Cover and cook on low for 4 hours.
To make the subs:
  1. Open the hoagie rolls and butter the insides of each roll.
  2. Sprinkle evenly with the garlic salt, about ½ teaspoon per roll or to taste.
  3. Place opened hoagie rolls on a large baking sheet under the broiler and broil until as toasted as you’d like. Keep a close eye on the bread as it will go from toasted to burnt very quickly.
  4. Remove the bread from the oven and add meatballs to the bread. Top with a spoonful of sauce.
  5. Top each sandwich with 2 slices of fresh mozzarella and a sprinkling of parsley.
  6. Return to the broiler for 1 minute to let the cheese soften.
  7. Serve immediately.

Notes

  • Add more red pepper flakes for a spicier tomato sauce. 
  • Use Hawaiian rolls to make meatball sliders instead of subs.

Nutrition Information

Serving 1sandwich Calories 1134kcal (57%) Carbohydrates 77g (26%) Protein 59g (118%) Fat 65g (100%) Saturated Fat 29g (145%) Cholesterol 242mg (81%) Sodium 4095mg (171%) Potassium 1621mg (46%) Fiber 8g (32%) Sugar 21g (42%) Vitamin A 2285IU (46%) Vitamin C 32.5mg (36%) Calcium 531mg (53%) Iron 18.9mg (105%)

Nutrition Facts

Serving: 4sandwiches

Amount Per Serving

Calories 1134

% Daily Value*

Serving 1sandwich
Calories 1134kcal 57%
Carbohydrates 77g 26%
Protein 59g 118%
Fat 65g 100%
Saturated Fat 29g 145%
Cholesterol 242mg 81%
Sodium 4095mg 171%
Potassium 1621mg 34%
Fiber 8g 32%
Sugar 21g 42%
Vitamin A 2285IU 46%
Vitamin C 32.5mg 36%
Calcium 531mg 53%
Iron 18.9mg 105%

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