Slow cooker teriyaki meatballs are the easiest party appetizer and weeknight dinner in one. Frozen, fully cooked meatballs simmer in a sweet and savory sauce of pineapple juice, soy sauce, ginger, and garlic until they are hot, glossy, and coated in sauce.
There is no browning and no rolling of meatballs, so the work takes about 15 minutes. The slow cooker handles the rest, and a quick cornstarch slurry turns the sauce into a glaze that clings to every bite.
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Why This Slow Cooker Teriyaki Meatballs Recipe Works
Pineapple juice gives the sauce natural sweetness and a bright tang, which balances the salty soy sauce. Brown sugar and a little honey deepen the sweetness, while rice vinegar adds just enough acidity to keep the sauce from tasting heavy.
Starting with frozen, fully cooked meatballs means they stay intact over hours of cooking instead of breaking apart. They heat gently in the sauce and soak up flavor as they go.
Thickening the sauce at the end is the step that makes this recipe special. A cornstarch slurry added during the last 30 minutes creates a glossy sauce that coats the meatballs instead of pooling at the bottom of the pot.
Ingredients for Slow Cooker Teriyaki Meatballs
- 2 pounds frozen, fully cooked meatballs
- 1 cup pineapple juice
- 1/2 cup low-sodium soy sauce
- 1/3 cup brown sugar, packed
- 3 cloves garlic, minced
- 1 tablespoon fresh ginger, grated (or 1 teaspoon ground ginger)
- 2 tablespoons rice vinegar (or apple cider vinegar)
- 2 tablespoons honey
- 2 tablespoons cornstarch mixed with 2 tablespoons water, for the slurry
- Sesame seeds and chopped green onions, for garnish
Choose low-sodium soy sauce, because the meatballs are already seasoned and the sauce reduces as it cooks. Fresh ginger gives the brightest flavor, but ground ginger works when that is what you have.
How to Make Slow Cooker Teriyaki Meatballs
1. Whisk the sauce
In a medium bowl, whisk together the pineapple juice, soy sauce, brown sugar, garlic, ginger, rice vinegar, and honey until the sugar mostly dissolves.
2. Add the meatballs
Place the frozen meatballs in the slow cooker and pour the sauce over the top. Stir to coat. There is no need to thaw them first.
3. Cook low and slow
Cover and cook on low for 4 to 5 hours or on high for 2 to 3 hours, stirring once halfway through so the meatballs stay coated. The meatballs are ready when they reach 165 degrees F in the center.
4. Thicken the sauce
About 30 minutes before serving, whisk the cornstarch and water together in a small bowl. Pour it into the slow cooker, stir, and keep cooking until the sauce thickens and clings to the meatballs.
5. Garnish and serve
Sprinkle with sesame seeds and green onions, then serve hot from the slow cooker set to warm.
How to Serve Slow Cooker Teriyaki Meatballs
For dinner, spoon the meatballs and sauce over steamed rice or noodles and add a side of roasted broccoli. For a party, leave them in the slow cooker with a stack of toothpicks and small napkins.
If your family enjoys teriyaki flavors, you might also like this Crock Pot chicken teriyaki, a hearty teriyaki chicken rice bowl, or a fast ground turkey teriyaki stir fry on busy nights.
How to Store and Reheat Slow Cooker Teriyaki Meatballs
Cool leftovers within 2 hours and store the meatballs with their sauce in an airtight container in the refrigerator for 3 to 4 days.
Reheat on the stove or in the microwave until steaming hot and 165 degrees F. If the sauce has thickened in the refrigerator, loosen it with a splash of water. For longer storage, freeze the meatballs in a sealed container and thaw them in the refrigerator first.
Tips and Variations for Slow Cooker Teriyaki Meatballs
Stir the meatballs once during cooking so they glaze evenly, and add the slurry only near the end, because cornstarch can break down if it cooks for hours. Purdue Extension has clear guidance on storing leftovers safely, including how quickly to chill food and how hot to reheat it.
For extra flavor, let the meatballs sit in the sauce for a few hours in the refrigerator before cooking. Adjust the sweetness by adding a little more or less brown sugar and honey. For a spicier version, add red pepper flakes to the sauce, and for a more tropical twist, toss in pineapple chunks during the last half hour.
Frequently Asked Questions About Slow Cooker Teriyaki Meatballs
Can I make slow cooker teriyaki meatballs ahead of time?
Yes. Cook them the day before, refrigerate, and rewarm in the slow cooker on low or on the stove. Stir in a splash of water if the sauce is too thick.
Do I need to thaw the meatballs first?
No. They go in frozen and heat through in the sauce. Check that they reach 165 degrees F before serving.
Can I use homemade meatballs in slow cooker teriyaki meatballs?
Yes, as long as they are fully cooked first. Bake or pan fry them, then add them to the sauce for the last part of the cooking time.
How do I keep the sauce from being too sweet?
Use a little less brown sugar and skip the honey, or add a splash more rice vinegar. Taste the sauce before you add the slurry.
What can I serve with teriyaki meatballs?
Steamed rice, noodles, roasted broccoli, and stir fried vegetables are all good pairings. For parties, serve them on toothpicks.
Slow Cooker Teriyaki Meatballs
Ingredients
Main Ingredients
- 2 lb frozen fully cooked meatballs
- 1 cup pineapple juice
- ½ cup low-sodium soy sauce
- ⅓ cup brown sugar packed
- 3 cloves garlic minced
- 1 tbsp fresh ginger grated, or 1 tsp ground ginger
- 2 tbsp rice vinegar or apple cider vinegar
- 2 tbsp honey
- 2 tbsp cornstarch mixed with 2 tbsp water for the slurry
- sesame seeds and chopped green onions for garnish
Instructions
Cooking
- Whisk together the pineapple juice, soy sauce, brown sugar, garlic, ginger, rice vinegar, and honey in a medium bowl.
- Place the frozen meatballs in the slow cooker, pour the sauce over the top, and stir to coat.
- Cover and cook on low for 4 to 5 hours or on high for 2 to 3 hours, stirring once halfway, until the meatballs reach 165 degrees F.
- About 30 minutes before serving, whisk the cornstarch and water together, pour it into the slow cooker, and stir.
- Continue cooking until the sauce thickens and clings to the meatballs.
- Garnish with sesame seeds and green onions and serve over rice, noodles, or as a party appetizer.
