1-1/2 c. chili sauce
3/4 c. red-wine vinegar
1-1/2 Tbsp. prepared horseradish
2 small cloves garlic, halved
1 tsp. salt
4 bone in chicken breast (6 oz. each)

Mix chili sauce, vinegar, horseradish, garlic and salt in a bowl. Reserve half of mixture. Add chicken to bowl; turn to coat. Cover; marinate in refrigerator about 5 minutes. Remove chicken from marinade; place chicken on grill or on broiler pan. Grill or broil; turning and basting frequently with the reserved marinade; about 30 minutes. Serve remaining marinade with chicken.