Chicken in foil

1 sm Green pepper, chopped
½ sm Red pepper, chopped
10 Mushrooms, chopped
4 lg Chicken breasts
1 cans Pineapple slices (8oz)
Non-stick cooking spray or 1 tsp butter
Garlic powder, salt and pepper to taste
4 Squares heavy-duty foil (16×16 inches)

Divide the bell peppers and mushrooms into 4 equal parts. Coat a small area in the center of the foil with cooking spray or a small amount of butter. Place a portion of peppers and mushrooms on the greased area of the foil. Top with a chicken breast and a pineapple slice. Season with garlic powder, salt and pepper to your taste. Fold the foil securely and check for leaks. Place on the coals for 10 to 15 minutes per side