3 1/4 c. sugar
1 c. water
3 tbsp. lemon juice
1 pouch liquid pectin
1 (6 oz.) frozen concentrated orange-and-grapefruit juice

Combine sugar and water. Place on high heat and, stirring constantly bring to a full rolling boil that cannot be stirred down. Add lemon juice. Boil hard for 1 minute. Remove from heat. Stir in pectin. Add thawed concentrated orange-grapefruit juice and mix well. Yield: 3 to 4 half-pints.