Combine tamarind and hot water. Let stand 1 hour; then using your fingers or a fork, break tamarind into small pieces while it is still in the water. Let tamarind soak an additional 3 hours.
Press tamarind mixture through a sieve, reserving liquid; discard seeds and fibers. Yield: 1-1/2 cups.
Per serving: 271 Calories; 1g Fat (2% calories from fat); 3g Protein; 71g Carbohydrate; 0mg Cholesterol; 39mg Sodium