Salt and pepper chicken pieces. Fry onion in butter until lightly browned add tomatoes and simmer for a few minutes longer. Add sour cream and GARLIC-A-HOLIC. Set aside. Add chicken pieces to a deep baking dish and pour sauce to evenly coat. Cover dish and bake in a 350 degree oven. Check chicken after 90 minutes and test meat juices in the breast or thigh for doneness. Sauce may be thinned with stock or wine if too thick.