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Slow Cooker Meatball Subs

Here’s another simple crock pot recipe for you because you can never have too many crock pot recipes. Especially this time of year when there’s so much going on.

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Two Slow Cooker Meatball Subs on a wooden board.

Easy homemade meatballs, a jar of spaghetti sauce, and 6 hours in the crock pot are all you need to make these Slow Cooker Meatball Subs. Crusty Bread. Melted mozzarella cheese. These are sure to be a family favorite.

Jar Of Spaghetti Sauce

A jar of spaghetti sauce really cuts down on the time (and mess) needed to make these meatball subs. Use your favorite jarred sauce. I usually just buy which ever brand is on sale because while I do like some brands more than others, I don’t dislike any of them.

Two Meatball Subs on a wood cutting board.

Easy Homemade Meatballs

The meatballs are homemade, but the ingredient list isn’t too terrribly long. Just dump all the ingredients into a large bowl, get your hands in there and mix it all together, form them into balls, place them in the crock pot, cover with sauce and 6 hours later you have tender, juicy meatballs covered in a tasty tomato sauce.

Make The Subs

Then all that’s left to do is split some sub rolls open, stuff them with meatballs and sauce, cover with cheese, and place under the broiler for a minute or two. Or if you don’t trust yourself with the broiler, which I sometimes don’t, just bake them at 350 degrees until the cheese is melted.

And super is ready! Easy as that!

Serve with a salad if you feel guilty about not having anything green on your plate.

Equipment Needed

You will need a 6-quart slow cooker or large for this recipe. I use the Hamilton Beach 6-Quart Programmable Slow Cooker.

Slow Cooker Meatball Subs Storage

Leftover meatballs withh keep in an airtight container in the refrigerator for 4 days or they can be frozen for up to 2 months.

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More Easy Crock Pot Recipes

Slow Cooker Meatball Subs

Easy homemade meatballs, a jar of spaghetti sauce, and 6 hours in the crock pot are all you need to make these Slow Cooker Meatball Subs. 
PREP: 15 mins
COOK: 3 hrs
TOTAL: 3 hrs 15 mins
SERVINGS: 4

Ingredients

  • 1 1/2 pounds lean ground beef
  • 1/2 cup bread crumbs
  • 1/3 cup finely chopped onion
  • 1/4 cup grated Parmesan cheese
  • 1/4 cup milk
  • 1 teaspoon Worcestershire sauce
  • 3/4 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon dried oregano
  • 1 clove garlic, minced
  • 1 large jar spaghetti sauce
  • 4 hoagie rolls
  • 8 slices mozzarella cheese

Instructions

  • In a medium bowl, mix together ground beef, bread crumbs, onion, Parmesan cheese, milk, Worcestershire sauce, salt, pepper, oregano, and garlic. Shape into 12-15 meatballs and place in a lightly greased crock pot.
  • Pour spaghetti sauce over meatballs. Cover and cook on LOW for 6 hours.
  • Split hoagie rolls open. Stuff with meatballs and sauce. Top with 2 slices cheese and broil until cheese is melted.

Nutrition

Calories: 634kcal
Author: Christin Mahrlig
Course: Lunch, Main Course
Cuisine: American
Keyword: ground beef, slow cooker

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Originally published September 20, 2015.

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7 thoughts on “Slow Cooker Meatball Subs”

  1. Wow, you posted this almost 5 years ago so I’m coming in late to the meatball party. This is only the second time I’ve ever made meatballs (don’t judge) and they were awesome! I left out the onion (but used some onion powder), added dried basil & rosemary and had to use gluten free bread crumbs for my son with celiac disease. These were a hit with him (had four in a bowl) AND my husband (ate 2 small sandwiches)! I know I modified it a bit, but your recipe is a KEEPER here! 🙂 So warming in cold weather, yet with the crockpot it’s also going to be great in the summer….or to bring to family parties.

  2. Carol Bell McMillion

    I tried to sign up for this website to receive your recipes but unable to find a box to do so. So sorry!

  3. Looks super tasty! I can’t tell you how much my 10-year old loves his meatball subs! He can have it twice a day if I make it happen. : ) He’d love this and what a great thing to do in the slow cooker!

  4. Gayle @ Pumpkin 'N Spice

    Wow do these subs look AMAZING, Christin! Just what my Sunday ordered! Love that you made them in the slow cooker!

  5. Ooh it’s brunch time and I could easily eat a couple of these delicious meatball stuffed sub rolls. Yummy. Sammie

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