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Easy Crockpot Meatball Sub Sliders Recipe Perfect for Party Snacks

easy crockpot meatball sub sliders - featured image

These Easy Crockpot Meatball Sub Sliders are a quick, crowd-pleasing party snack featuring tender meatballs simmered in marinara sauce, topped with melted provolone cheese on soft slider buns.

Ingredients

Scale
  • 2 pounds frozen pre-cooked meatballs
  • 3 cups marinara sauce
  • 12 soft slider buns
  • 12 slices provolone cheese
  • 3 tablespoons softened butter
  • 1 teaspoon garlic powder
  • 1 teaspoon Italian seasoning
  • Optional: fresh basil or parsley for garnish

Instructions

  1. In a small bowl, mix 3 tablespoons softened butter with 1 teaspoon garlic powder until smooth. Set aside.
  2. Place frozen meatballs into the crockpot and sprinkle with Italian seasoning.
  3. Pour marinara sauce over the meatballs and stir gently to coat.
  4. Cover and cook on low for 3 hours (or high for 1.5 hours if short on time).
  5. About 15 minutes before serving, preheat oven to 375°F (190°C).
  6. Slice slider buns in half horizontally, keeping top and bottom connected if possible.
  7. Spread garlic butter mixture evenly on cut sides of buns.
  8. Place buns cut side up on a baking sheet and toast in oven for 5-7 minutes until golden and slightly crispy.
  9. Spoon meatballs and sauce onto bottom halves of toasted buns.
  10. Top each slider with a slice of provolone cheese.
  11. Return sliders to oven for 3-5 minutes until cheese is melted and bubbly.
  12. Remove from oven, sprinkle with fresh basil or parsley if using, and close sliders with top bun halves.
  13. Serve warm.

Notes

Stir meatballs halfway through cooking for even sauce absorption. Use softened butter for easy spreading. Toast buns before assembling to prevent sogginess. Melt cheese last minute to avoid rubbery texture. Can substitute gluten-free buns and vegan cheese for dietary needs.

Nutrition

Keywords: crockpot meatball sliders, party snacks, easy meatball subs, slow cooker sliders, provolone cheese sliders