Blackberry Jelly
["7 1/2 c. sugar", "3 qt. ripe blackberries", "2 (3 oz.) pkg. liquid fruit pectin"]
["Sort and wash berries; remove any stems or caps.", "Crush berries to extract 4 cups juice.", "Combine juice and sugar in large saucepan and mix well.", "Place over high heat and stir until mixture comes to a boil.", "Boil hard 1 minute, stirring constantly. Add pectin and bring to a full rolling boil.", "Boil 1 minute, stirring constantly.", "Remove from heat.", "Skim off foam with metal spoon.", "Pour quickly into hot sterilized jars, leaving 1/2-inch headspace.", "Seal with 1/8-inch layer of paraffin.", "Cover with lids.", "Yields about 4 pints."]
["sugar", "ripe blackberries", "liquid fruit pectin"]