Easy Meatball Subs combine all your favorite Italian flavors in one easy slow cooker recipe perfect for busy weeknights.
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This recipe is so easy to make and tastes just as good! You can easily make your own homemade meatball subs from home and let your slow cooker do all the work! Not only will this make your home smell amazing while it cooks, and it only requires four easy ingredients.
My favorite recipe for homemade Italian meatballs includes parmesan cheese, a large egg or two, breadcrumbs, and a combination of ground beef and ground pork. However, if you don't have time to make your own meatballs, you can absolutely grab some from the grocery store!
🧂 Ingredients
- store-bought or homemade meatballs - you can make the meatballs using one of our recipes and instead of baking them, place the balls into the slow cooker with the tomato sauce.
- sub rolls or hoagie rolls
- store-bought or homemade tomato sauce
- fresh mozzarella cheese
This is meant to be a brief overview of this great recipe. For step-by-step instructions and a full printable recipe card with ingredients, please scroll down to the teal box below.
🔪 Instructions
- Add a small layer of marinara sauce to your slow cooker.
- Next, add the meatballs and pour more sauce over the meatballs.
- Add the rest of your meatballs and the rest of your sauce to the slow cooker.
- Cover your slow cooker and cook on low for 6-8 hours.
- Once cooked, scoop three meatballs into each sub roll and top with mozzarella cheese.
- Optional: Add your sandwiches to a casserole dish and broil until the cheese is melted.
- Serve with the marinara sauce.
🥄Equipment
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To make this easy recipe, you will need a slow cooker - I highly recommend this programmable one. This is the model I have and I love it.
For a list of some of my favorite items to use when cooking, and why I chose them, please visit my Kitchen Resource page.
🍲 Storage
To Store: Meatball Subs are really best eaten right when you assemble them because. However, if you do have leftover subs, you can keep them in the fridge for 1-2 days. (These are my favorite airtight containers.)
To Reheat: Microwave individual portions in 30-second intervals until heated throughout.
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📖 Variations
The first time you try any new recipe we recommend that you make it just as it is written on the recipe card since that is how the recipe has been tested. However, the next time you make our recipe, you might want to try one of these ideas:
- You can use a variety of options for your rolls, everything from French bread to hot dog buns will work! You can even use slider buns to make meatball sliders.
- Sprinkle some Italian seasoning or fresh basil on top before serving.
- For a low-carb option, try these keto chicken meatballs with your favorite low-carb bread substitute.
Out of something you need? Check out our free ingredient substitutions printable!
If you have a few extra minutes, you can slather your rolls with garlic butter and pop them under the broiler for just a minute or two. This takes your classic meatball sub and makes it totally amazing!
🍴 Serving Suggestions
Serve with tomato sauce for dipping, or try our cowboy butter dipping sauce for something a little different. I like to add a fresh salad and some potato chips to go with these sub sandwiches.
Try our Caesar salad with Caesar dressing, honey lime fruit salad, or winter citrus salad.
😋 Similar Recipes
I love making quick meals out of meatballs! Next time, try our chicken meatball subs or one of these other family favorites:
Not ready to make these easy meatball subs yet?
When you do make it, please come back and comment and leave me a 5-star rating below! ⭐⭐⭐⭐⭐
Slow Cooker Meatball Subs
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Equipment
Ingredients
- 6 cups marinara sauce
- 12 sub sandwich rolls sliced
- 2 cups shredded mozzarella
- 36 Italian Meatballs
Instructions
- Add a small layer of marinara sauce to your slow cooker.6 cups marinara sauce
- Next, add half the meatballs and pour more sauce on top.36 Italian Meatballs
- Add the rest of your meatballs and the rest of your sauce to the slow cooker.
- Cover your slow cooker and cook on LOW for 6-8 hours.
- Once cooked, scoop three meatballs into each sub roll and top with mozzarella cheese.12 sub sandwich rolls, 2 cups shredded mozzarella
- Optional: Add your sandwiches to a casserole dish and broil until the cheese is melted and golden brown on top.
- Serve with the marinara sauce.
For best results, be sure to check our Tips and FAQs above with important tips and questions that can help your delicious recipe come out perfectly.
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