Slow Cooker Meatballs in Rich Tomato Sauce

Looking for the easiest slow cooker meatball recipe that requires no precooking? These slow cooker meatballs are designed to be simple, reliable, and packed with flavor. They’re perfect when you don’t want to heat the oven, when time is tight, or when you want a fuss-free family meal. The technique is straightforward: form the meatballs, chill them so they hold together, then cook them slowly in a rich tomato sauce until tender.

These meatballs use turkey mince for a leaner, healthier option without sacrificing comfort-food appeal. Turkey keeps the dish lighter while still offering plenty of texture and taste. If you prefer beef or pork, you can swap the meat—but note that fattier meats will release more grease into the sauce.

Slow cooker meatballs are versatile: serve them with pasta, rice, mashed potatoes, or crusty bread. They work for weeknight dinners, casual gatherings, or meal prep—cook a big batch, then freeze portions for easy reheating. This recipe yields 14–16 large meatballs, enough for four people as a main with a side.

Slow Cooker Meatballs Recipe Tips

• Chill the meatballs before adding them to the cooker. Cold meatballs firm up and are less likely to break apart in the sauce.
• Swapping turkey for another meat will change the amount of fat released into the sauce; drain if needed.
• To freeze: divide meatballs into freezer bags with sauce so each is coated, cool completely, then freeze for up to three months.
• Finely dice the onion. Large pieces can make the meatballs more fragile during cooking.
• Mix the meatball ingredients thoroughly so seasoning and herbs are evenly distributed.

Easy Slow Cooker Meatballs – Step by Step

Please note: allow time to chill the meatballs before cooking. Overnight chilling enhances flavor and helps prevent them from falling apart.

Ingredients

Makes 14–16 large meatballs (serves 4 as a main):

For the meatballs

• 1 small onion, finely diced
• 2 garlic cloves, minced
• 3 tbsp fresh parsley, chopped
• 450g (1 lb) turkey mince
• 90g (3 oz) dried breadcrumbs
• 2 tsp dried Italian herbs
• 1 tsp salt
• 1 small egg, beaten

For the sauce

• 1 x 400g (14 oz) tin chopped tomatoes
• 750g (1 lb 10 oz) jar pasta or bolognese sauce
• 1 tsp salt
• 1 tsp dried Italian herbs

To serve (optional)

• Cooked pasta, rice, or mashed potatoes

Essential equipment

• 3.5 litre slow cooker

Instructions

1. Combine all meatball ingredients in a large bowl. Mix thoroughly with a fork or your hands until evenly combined.

2. Roll heaped tablespoons of mixture into meatballs and place on a baking tray. Cover with cling film and chill for at least 1–2 hours, or overnight for best results.

3. Combine the chopped tomatoes, pasta sauce, salt, and dried herbs directly in the slow cooker bowl and stir to combine.

4. Nestle the chilled meatballs into the sauce, cover, and cook on low for 6–8 hours, until fully cooked and tender.

When ready, serve immediately over your choice of pasta, rice, or potatoes. Garnish with extra chopped parsley if desired. These meatballs freeze well—cool completely, portion into containers or freezer bags with sauce, and store for up to three months. Thaw thoroughly before reheating.

Notes & Serving Suggestions

This recipe uses a simple jarred pasta sauce for convenience, but you can replace it with your favorite homemade sauce. For a thicker sauce, remove the lid for the final 30 minutes of cooking to allow some liquid to evaporate. If you choose a fattier meat, skim excess grease from the sauce before serving.

These slow cooker meatballs are ideal for busy households: minimal hands-on time, family-friendly flavors, and straightforward storage options. They’re a dependable, delicious meal that consistently delivers tender meatballs and a hearty tomato sauce with very little effort.

Easy Slow Cooker Meatballs Recipe

Yield:
4 Servings

Prep Time:
15 minutes

Additional Time:
7 hours

Total Time:
7 hours 15 minutes

No precooking required—just form, chill, and slow-cook for tender, flavorful meatballs.

Ingredients

For the Meatballs

• 1 Small Onion, Finely Diced
• 2 Garlic Cloves, Minced
• 3 tbsp Fresh Parsley, Chopped
• 450g (1 lb) Turkey Mince
• 90g (3 oz) Dried Breadcrumbs
• 2 tsp Dried Italian Herbs
• 1 tsp Salt
• 1 Small Egg, Beaten

For the Sauce

• 1 x 400g (14 oz) Tin of Chopped Tomatoes
• 750g (1 lb 10 oz) Jar of Pasta/Bolognese Sauce
• 1 tsp Salt
• 1 tsp Dried Italian Herbs
• Cooked Pasta or Rice, To Serve (Optional)

Essential Equipment

• 3.5 litre Slow Cooker

Instructions

1. Add all the meatball ingredients into a large bowl and mix well.
2. Roll heaped tablespoons into balls, place on a tray, cover and chill 1–2 hours or overnight.
3. Mix the sauce ingredients in the slow cooker bowl.
4. Place chilled meatballs in the sauce, cover and cook on low for 6–8 hours until cooked through.

Notes

Serving suggestion: Serve with pasta, rice, or mashed potatoes and sprinkle fresh parsley on top.

Storage: Cool completely, freeze in suitable containers for up to three months; defrost thoroughly before reheating.