Slow Cooker Meatball Subs are delicious with tender homemade meatballs that are slow-cooked to perfection! The whole family will love this easy take on the classic sandwich.
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Crockpot meatball subs are the perfect choice for your next game day get-together or a dinner any night of the week! Thanks to the slow cooker, the is one of the easiest recipes you’ll find to make your own meatballs and assemble delicious sandwiches.
Why this Recipe Works
Loaded up with tomato sauce, tender homemade meatballs, and melty cheese, these easy meatball subs are sure to be an instant favorite.
Made with simple ingredients that are easy to find at your local grocery store, these classic meatball sandwiches are a must-try. The slow cooker ensures the meatballs are moist and packed with flavor, perfect for a hearty and filling sandwich!
And if you can’t get enough meatballs, try my Slow Cooker Sweet and Sour Meatballs or these Honey Sriracha Chicken Meatballs!
Ingredients Needed
- Ground Meat: I use a combination of ground beef and ground pork for these meatballs.
- Yellow Onion: white onion will work too.
- Panko Bread Crumbs: Helps form the meatballs and gives them some more texture.
- Fresh Parmesan Cheese: I prefer to grate my own Parmesan cheese for the best flavor.
- Seasonings: Season the meatballs with Italian seasoning, garlic powder, salt and black pepper to taste.
- Eggs: Act as a binding agent to keep the meatballs together.
- Marinara Sauce and Tomato Sauce: Using both kinds ensures that these subs are saucy and flavorful.
- Sub Rolls: Use your favorite hoagie rolls for these sandwiches!
- Provolone Cheese: Mozarella cheese is also a good choice.
How to Make Slow Cooker Meatball Subs
- Step 1: In a large mixing bowl, combine all of the meatball ingredients.
- Step 2: Use a 3-tablespoon scoop to separate the meat mixture into about 24 meatballs.
- Step 3: Pour a cup of the sauce into the bottom of your slow cooker, then add the meatballs in a single layer.
- Step 4: Top with the rest of the sauce, then cover and cook on high for 2 and a half hours or low for 5 hours.
- Step 5: Meanwhile, prepare the buns by placing them in a baking dish.
- Step 6: Once the meatballs are fully cooked, place two half slices into each bun, add the meatballs, and top with marinara sauce and more cheese. Bake for 5 to 8 minutes, or until cheese is melty.
Recipe Tips
- For a more golden brown finish, end the baking with a minute or two under the broiler. Keep a close eye on the subs to prevent them from burning.
- These meatballs can be made with all beef instead of beef and pork.
- Make this recipe ahead of time by cooking the meatballs, then wrap them tightly and freeze. Defrost in the fridge, then follow the baking instructions as normal.
- If you have leftover meatballs, store them in an airtight container in the fridge for 3 days or so. If the sandwiches are already assembled, they may not keep and reheat as well.
- Reheat meatballs in the microwave.
