Can I double this recipe for a crowd?

Yes, but make sure your slow cooker’s big enough. I once attempted it in a smaller one, and let’s just say dinner was delayed.

How do I store my leftovers?

After cooling, place them in an airtight container. They keep well in the fridge for up to three days.

Can I use turkey meatballs?

Absolutely! Turkey meatballs make for a lighter option, and they soak up just as much flavor from the sauce.

What can I serve with these for a full meal?

Crispy French fries, fresh salad, or even roasted veggies are great sides. It all depends on how healthy you feel like being that day.

How spicy can these get?

That entirely depends on your sauce. If you want serious heat, look for a spicy marinara. Otherwise, you control the spice when you toss in your favorite hot sauces.

Easy Crockpot Meatball Subs: Comfort in a Bun 2026

Description

Comforting meatball subs made effortlessly in a slow cooker with tender meatballs soaked in rich marinara and topped with melted cheese.

Ingredients

Scale

1 bag frozen meatballs
1 jar marinara sauce
1 package sub rolls
1 cup shredded mozzarella cheese
Optional: grated Parmesan cheese

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Instructions

Add the meatballs into your slow cooker.
Pour in the marinara sauce to coat the meatballs.
Set your slow cooker on low for 4 to 5 hours.
Prepare the rolls by slicing them in half.
Assemble the subs with meatballs, sauce, and cheese.

Notes

These meatball subs can be customized with added veggies or spices. Serve with crispy fries or a fresh salad for a complete meal.

Prep Time: 15 minutes
Cook Time: 240 minutes
Category: Main Course
Method: Slow Cooking
Cuisine: American

Nutrition

Serving Size: 1 sub
Calories: 450
Sugar: 6g
Sodium: 800mg
Fat: 18g
Saturated Fat: 8g
Unsaturated Fat: 8g
Trans Fat: 0g
Carbohydrates: 50g
Fiber: 2g
Protein: 22g
Cholesterol: 45mg