Drain juice from pineapple into a small bowl. Add the rest of the sauce ingredients, except the pineapple chunks and green pepper. Stir well.
Add the sauce to a large skillet and heat over medium heat, stirring occasionally, until it begins to boil. Mix the cornstarch and water and stir into the boiling sauce; stir until thickened.
Add the pineapple and the green pepper. Boil for 1 minute.
Add the meatballs to the skillet; stir to coat with the sauce and heat through.

Nutrition
Serving: 1serving | Calories: 559kcal | Carbohydrates: 85g | Protein: 33g | Fat: 9g | Saturated Fat: 4g | Trans Fat: 1g | Cholesterol: 153mg | Sodium: 1282mg | Potassium: 730mg | Fiber: 3g | Sugar: 65g | Vitamin A: 270IU | Vitamin C: 30mg | Calcium: 137mg | Iron: 5mg