Cut chicken breasts in bite size pieces. Brown chicken in olive oil, over low heat about 10 minutes. Season with salt and garlic powder to taste. Stir 3 to 4 minutes. Add red peppers, onions, mushrooms, parsley, and black pepper. Cook an additional 15 to 20 minutes. When cooking is complete, add sherry. Stir and serve. Serve with hot rolls and tossed salad. Yield: 4 servings