Slow Cooker Meatballs Marinara

Featured in: Rustic Everyday Skillet Plates

These meatballs combine ground beef and pork with classic Italian breadcrumbs and Parmesan for a savory bite. Slowly cooked in a robust marinara sauce infused with garlic, onion, and herbs, they develop deep flavors and tender texture. This dish offers a fuss-free way to prepare a satisfying main or appetizer, ideal for celebrations or weeknight meals. Garnish with fresh parsley and extra Parmesan for a finishing touch. Serve alongside garlic bread or pasta for a comforting experience.

Updated on Fri, 13 Mar 2026 01:49:28 GMT
Slow cooker meatballs in marinara sauce, tender and juicy, simmered to perfection in a rich tomato base.  Save to Pinterest
Slow cooker meatballs in marinara sauce, tender and juicy, simmered to perfection in a rich tomato base. | mossbasil.com

Slow Cooker Meatballs in Marinara offer a perfect blend of tender, juicy meatballs simmered slowly in a rich, flavorful tomato sauce. Ideal for housewarmings and festive gatherings, this Italian-American classic brings warmth and comfort with minimal effort, letting your slow cooker do all the hard work while you enjoy time with friends and family.

Slow cooker meatballs in marinara sauce, tender and juicy, simmered to perfection in a rich tomato base.  Save to Pinterest
Slow cooker meatballs in marinara sauce, tender and juicy, simmered to perfection in a rich tomato base. | mossbasil.com

This recipe is designed to be approachable for cooks of all levels, requiring just simple ingredients and everyday kitchen tools. Whether served on toothpicks at a party or ladled over spaghetti for dinner, these meatballs bring authentic Italian-American comfort to your table.

Ingredients

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  • For the Meatballs
  • 1 ½ lbs (680 g) ground beef (80/20)
  • ½ lb (225 g) ground pork
  • ½ cup (50 g) Italian breadcrumbs
  • ⅓ cup (30 g) grated Parmesan cheese
  • 2 large eggs
  • ¼ cup (60 ml) milk
  • 3 cloves garlic, minced
  • 2 tbsp fresh parsley, chopped (or 2 tsp dried)
  • 1 ½ tsp salt
  • ½ tsp black pepper
  • 1 tsp dried oregano
  • ½ tsp crushed red pepper flakes (optional)
  • For the Marinara Sauce
  • 2 (24 oz / 680 g) jars marinara sauce (or 6 cups homemade)
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • 1 tbsp olive oil
  • 1 tsp dried basil
  • 1 tsp dried oregano
  • Salt and pepper, to taste

Instructions

1.
In a large mixing bowl, combine ground beef, ground pork, breadcrumbs, Parmesan, eggs, milk, garlic, parsley, salt, pepper, oregano, and red pepper flakes. Mix gently until just combined—do not overmix.
2.
Shape mixture into 1½-inch (4 cm) balls and place on a parchment-lined baking sheet.
3.
Optional: For firmer meatballs, broil on high for 3–4 minutes, turning once, until lightly browned. This step adds flavor but can be skipped.
4.
In a skillet over medium heat, warm olive oil. Add onion and garlic; sauté 3–4 minutes until softened and fragrant.
5.
Add sautéed onion and garlic, marinara sauce, basil, oregano, salt, and pepper to the slow cooker. Stir to combine.
6.
Gently nestle the meatballs into the sauce in the slow cooker.
7.
Cover and cook on LOW for 4 hours (or HIGH for 2 hours), until meatballs are cooked through (internal temp 160°F/71°C).
8.
Serve hot, garnished with extra Parmesan and parsley if desired.

Zusatztipps für die Zubereitung

To ensure juicy meatballs, mix ingredients gently without overworking the meat. The optional broiling step adds a beautifully browned crust that enhances texture and flavor. Simmering slowly in the marinara lets the herbs and cheese infuse the meat, making each bite deliciously tender.

Varianten und Anpassungen

For a lighter twist, substitute ground turkey or chicken for the beef and pork blend. Omit the crushed red pepper flakes to keep it mild, or add more if you prefer extra heat. Homemade marinara sauce can be used to customize flavor and freshness.

Serviervorschläge

Serve these meatballs as an appetizer with toothpicks for easy grabbing, or pile them over cooked spaghetti for a classic Italian-American main dish. They pair perfectly with garlic bread and a medium-bodied red wine like Chianti for an authentic dining experience.

Warm, hearty slow cooker meatballs bathed in savory marinara, ideal for feeding a hungry crowd at any gathering.  Save to Pinterest
Warm, hearty slow cooker meatballs bathed in savory marinara, ideal for feeding a hungry crowd at any gathering. | mossbasil.com

With simple preparation and comforting flavors, these slow cooker meatballs make entertaining effortless. Whether you're warming hearts at a housewarming or nourishing family dinner, they deliver satisfaction in every tender, savory bite.

Frequently Asked Questions

What types of meat are best for these meatballs?

A mixture of ground beef and pork provides the best flavor and tenderness. For a lighter option, turkey or chicken can be used.

Can I prepare the meatballs ahead of time?

Yes, you can shape the meatballs and store them in the fridge for a few hours or freeze them for longer storage before cooking.

Is broiling the meatballs necessary before slow cooking?

Broiling adds color and firmer texture but is optional. The slow cooker will fully cook and tenderize the meatballs without this step.

How can I tell when the meatballs are fully cooked?

Ensure the internal temperature reaches 160°F (71°C). The meat should be firm and no longer pink inside.

What dishes pair well with these marinara meatballs?

They go well with spaghetti, garlic bread, or a fresh green salad. A medium-bodied red wine like Chianti complements the flavors nicely.

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Slow Cooker Meatballs Marinara

Tender meatballs simmer in a rich marinara sauce, perfect for casual gatherings or Italian-inspired meals.

Prep Time
25 minutes
Time to Cook
240 minutes
Overall Time
265 minutes
Created by Aiden Coleman


Skill Level Easy

Cuisine Italian-American

Makes 6 Portions

Special Diet Info None specified

What You Need

Meatballs

01 1.5 lbs ground beef (80/20)
02 0.5 lb ground pork
03 0.5 cup Italian breadcrumbs
04 0.33 cup grated Parmesan cheese
05 2 large eggs
06 0.25 cup whole milk
07 3 cloves garlic, minced
08 2 tablespoons fresh parsley, chopped
09 1.5 teaspoons salt
10 0.5 teaspoon black pepper
11 1 teaspoon dried oregano
12 0.5 teaspoon crushed red pepper flakes

Marinara Sauce

01 2 jars (24 oz each) marinara sauce
02 1 small onion, finely chopped
03 2 cloves garlic, minced
04 1 tablespoon olive oil
05 1 teaspoon dried basil
06 1 teaspoon dried oregano
07 Salt and black pepper to taste

Directions

Instruction 01

Combine Meatball Mixture: In a large mixing bowl, combine ground beef, ground pork, breadcrumbs, Parmesan, eggs, milk, garlic, parsley, salt, pepper, oregano, and red pepper flakes. Mix gently until just combined without overmixing.

Instruction 02

Shape and Arrange Meatballs: Shape mixture into 1.5-inch balls and place on a parchment-lined baking sheet.

Instruction 03

Optional Broiling Step: For firmer meatballs, broil on high for 3 to 4 minutes, turning once, until lightly browned. This step enhances flavor but may be skipped.

Instruction 04

Prepare Aromatics: In a skillet over medium heat, warm olive oil. Add onion and garlic; sauté 3 to 4 minutes until softened and fragrant.

Instruction 05

Build Sauce Base: Add sautéed onion and garlic, marinara sauce, basil, oregano, salt, and pepper to the slow cooker. Stir to combine.

Instruction 06

Add Meatballs to Slow Cooker: Gently nestle the meatballs into the sauce in the slow cooker.

Instruction 07

Slow Cook Meatballs: Cover and cook on LOW for 4 hours or on HIGH for 2 hours, until meatballs reach an internal temperature of 160 degrees Fahrenheit.

Instruction 08

Serve: Serve hot, garnished with extra Parmesan cheese and fresh parsley as desired.

Gear Needed

  • Large mixing bowl
  • Baking sheet
  • Skillet
  • Slow cooker (4 to 6 quart capacity)
  • Measuring cups and spoons
  • Mixing spoon

Allergy Notice

Review all components for allergens and consult a healthcare provider if unsure.
  • Contains eggs
  • Contains milk (dairy)
  • Contains wheat (breadcrumbs)
  • May contain gluten in store-bought marinara sauce
  • May contain soy (verify marinara and breadcrumbs labels)

Nutrition Details (per portion)

Nutritional details are for general reference and not a replacement for professional health advice.
  • Calorie Count: 410
  • Fat content: 26 grams
  • Carbohydrates: 18 grams
  • Proteins: 27 grams

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