Instructions
Combine the ketchup, red wine, red wine vinegar, Worcestershire sauce, garlic, chili powder and cayenne pepper in a small saucepan.
Bring the mixture to a simmer and cook over low heat for , until thickened.
Preheat and outdoor grill or oven broiler and set the grids 4-6 inches from the heat.
Place the chicken breasts on a cutting board and cover them with waxed paper.
Pound the chicken breasts with a meat mallet, the flat side of a cleaver or chef's knife until they are even and about 1/4" thick.
Sprinkle the chicken breasts with salt and pepper and brush them with some of the sauce.
Broil or grill the pieces for per side or until they are cooked through, turning the chicken occasionally and brushing frequently with the remaining sauce.
(Makes 6 servings)