Crockpot Meatball Sub

Crockpot meatball subs are pure comfort food and perfect for game day! These crockpot meatballs are made from scratch and cooked in a simple marinara sauce. Serve on toasted hoagie rolls with loads of fresh mozzarella. 

There is a local Italian restaurant that everyone in town just adores. They have really good bread and their pasta salad is always on point.

Crockpot Meatball Subs - these sandwiches are total comfort food and great for football too! #footballfood #recipe #crockpot #easy

Everyone in town orders sandwiches from them for any kind of event, because they’re cheap and they are such a crowd pleaser.

We get delivery from them about once a month and I usually just split a gondola with my husband, but a few months I decided to branch out. I got a meatball sub.

Y’all, I honestly think it was the first time I’d ever ordered a meatball sandwich! I. am. obsessed. Like, super obsessed.

Crockpot Meatballs! These Italian meatballs are made from scratch and oh so easy in the crockpot! #crockpot #meatballs #easy

Saucy sandwiches are life.

I decided that football season was the perfect time for meatball subs, because this recipe will feed a crowd, it’s fun to eat, and the flavor is amazing.

meatball sub on wooden cutting board

How to make crockpot meatballs:

I like this recipe because it uses the slow cooker. Keep life simple and enjoy a meatball sandwich. Right? 😉

So, you’re going to toss all of your good stuff (ground beef, ground pork, bread crumbs, Parmesan, and some seasonings) into a large bowl and get to mixing.

ingredients for Italian meatballs in glass bowl

I normally use my hands to mix meatballs together. This way you don’t overmix and end up with tough meatballs.

Roll the meat mixture into meatballs and pop them on a cookie sheet.

baked meatballs on cookie sheet

We’re going to stick these in a hot oven for 10 minutes, just to be sure they get a little brown on the outside and they hold together well in the crockpot. This will also help get a little fat off of them before we add them to the sauce. They’ll finish cooking in the crockpot.

You could add these meatballs to plenty of different sauces in your slow cooker, but we’re going for meatball subs and that means tomato sauce today!

Crockpot Italian Meatballs:

These are Italian meatballs, my friends! That means we need a nice tomato sauce to cook these little guys in.

Grab your favorite slow cooker (here’s mine! <– Affiliate link) and start adding the ingredients for the sauce.

You’ll want to start with a jar of marinara. I normally use Rao’s, but your favorite brand will work just fine.

You’ll also add in a can of crushed tomatoes, plenty of minced garlic, some onion powder, and a little dash of red pepper flakes. You can add more red pepper, if you want a spicier meatball sub.

crockpot meatballs in tomato sauce

Stir your tomato sauce together and add those meatballs in.

Cover and cook on low for 4 hours.

I top my slow cooker meatballs with plenty of fresh parsley.

Meatball Sub:

Grab some hoagie rolls, my friend. It’s time to turn those slow cooker meatballs into a delicious meatball sandwich.

Open up your bread and spread the insides with butter. Sprinkle on a little garlic salt.

Pop the bread under the broiler for a minute or two until it’s as toasty as you’d like.

Crockpot Meatball Subs - these sandwiches are total comfort food and great for football too! #footballfood #recipe #crockpot #easy

To assemble the sandwich, add a few meatballs to the bread. I can normally fit 3 meatballs per roll, but it will depend on the length of the bread you buy.

Top the meatballs with a little extra sauce and then some fresh mozzarella slices. Sprinkle on a little more parsley and return all this to the broiler for a minute to let the cheese get a bit melty.

Crockpot Meatball Subs - these sandwiches are total comfort food and great for football too! #footballfood #recipe #crockpot #easy

That’s it, friends. Devour those crockpot meatball subs!

You’ll notice the recipe card below has a lot of steps, but this recipe is super easy and goes really quick. Don’t be intimidated – go make crockpot meatballs! 🙂

Crockpot Meatball Subs - these sandwiches are total comfort food and great for football too! #footballfood #recipe #crockpot #easy

More Italian favorites you’ll love: 

Italian Pasta Salad: You can’t go wrong with this classic!

Spaghetti Recipe: This one is made in one pot and just beyond easy!

Alfredo Sauce: Truly the best!

Mac and Cheese Casserole: Wait until you see the creamy layer of goodness in the center of this mac and cheese!

Crockpot Meatball Subs - these sandwiches are total comfort food and great for football too! #footballfood #recipe #crockpot #easy

Crockpot Meatball Subs - these sandwiches are total comfort food and great for football too! #footballfood #recipe #crockpot #easy
5 from 9 votes

Crockpot Meatball Subs

Prep Time
15 mins
Cook Time
4 hrs 10 mins
Total Time
4 hrs 25 mins
Servings: 4 sandwiches
Course: Main Course
Cuisine: Italian
Keyword: crockpot, sandwich, slow cooker
Calories: 1134 kcal

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


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


To make the meatballs:
  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.

Recipe Notes

Add more red pepper flakes for a spicier tomato sauce. 

Use Hawaiian rolls to make meatball sliders instead of subs.

Nutrition Facts
Crockpot Meatball Subs
Amount Per Serving (1 sandwich)
Calories 1134 Calories from Fat 585
% Daily Value*
Fat 65g100%
Saturated Fat 29g181%
Cholesterol 242mg81%
Sodium 4095mg178%
Potassium 1621mg46%
Carbohydrates 77g26%
Fiber 8g33%
Sugar 21g23%
Protein 59g118%
Vitamin A 2285IU46%
Vitamin C 32.5mg39%
Calcium 531mg53%
Iron 18.9mg105%
* Percent Daily Values are based on a 2000 calorie diet.

Nutrition Disclaimer: All information presented on this site is intended for informational purposes only. I am not a certified nutritionist and any nutritional information shared on should only be used as a general guideline.