Sweet and Sour Slow-Cooked Meatballs

bag (32 oz) Homestyle Meatballs

jar (10 oz) Sweet and sour sauce

Brown sugar

Soy sauce

Garlic powder

ea Red bell pepper, diced (mediun-size)

ea Green bell pepper, diced (mediun-size)

ea Onion, diced (mediun-size)

Pineapple chunks (drained)

Non-stick cooking spray