Slow Cooker Meatballs Marinara (Printable)

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

# 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

13 - 2 jars (24 oz each) marinara sauce
14 - 1 small onion, finely chopped
15 - 2 cloves garlic, minced
16 - 1 tablespoon olive oil
17 - 1 teaspoon dried basil
18 - 1 teaspoon dried oregano
19 - Salt and black pepper to taste

# Directions:

01 - 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.
02 - Shape mixture into 1.5-inch balls and place on a parchment-lined baking sheet.
03 - For firmer meatballs, broil on high for 3 to 4 minutes, turning once, until lightly browned. This step enhances flavor but may be skipped.
04 - In a skillet over medium heat, warm olive oil. Add onion and garlic; sauté 3 to 4 minutes until softened and fragrant.
05 - Add sautéed onion and garlic, marinara sauce, basil, oregano, salt, and pepper to the slow cooker. Stir to combine.
06 - Gently nestle the meatballs into the sauce in the slow cooker.
07 - Cover and cook on LOW for 4 hours or on HIGH for 2 hours, until meatballs reach an internal temperature of 160 degrees Fahrenheit.
08 - Serve hot, garnished with extra Parmesan cheese and fresh parsley as desired.

# Expert Advice:

01 -
  • Effortless slow cooker method lets flavors meld beautifully over time.
  • Tender meatballs packed with Italian herbs and Parmesan cheese.
  • Perfect for both appetizers and hearty main courses.
  • Feeds a crowd with about 30 meatballs per batch.
02 -
  • Use a meat thermometer to ensure meatballs reach 160°F (71°C) for safe consumption.
  • Broiling meatballs before slow cooking adds depth of flavor and firmer texture.
  • Sautéing onions and garlic first boosts the marinara’s flavor profile.
  • Store leftovers in an airtight container in the refrigerator up to 4 days or freeze for up to 3 months.
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