A more convenient and economical solution is Sacos Cultured Buttermilk Blend. Its a powder made from real sweet-cream churned buttermilk. You use.what you need, reseal the canister and store the rest in your refrigerator-for more than a year. Youll find Cultured Buttermilk Blend in the dry/canned milk section in your local supermarkets. For a free sample of Sacos Cultured Buttermilk Blend, recipes and coupons, call toll-free 800-373-SACO during business hours (C.S.T.) TIPS 8