Colorful Chicken Stew

Ingredients

• 1 pound boneless skinless chicken breasts, cubed
• 1 can (14-1/2 ounces) Italian diced tomatoes, undrained
• 2 medium potatoes, peeled and cut into 1/2-inch cubes
• 5 medium carrots, chopped
• 3 celery ribs, chopped
• 1 large onion, chopped
• 1 medium green pepper, chopped
• 2 cans (4 ounces each) mushroom stems and pieces, drained
• 2 low-sodium chicken bouillon cubes
• Artificial sweetener equivalent to 2 teaspoons sugar
• 1 teaspoon chili powder
• 1/4 teaspoon pepper
• 1 tablespoon cornstarch
• 2 cups cold water