5 qt. pail blackberries (approximately)
2 c. blackberry juice
1 1/4 c. sugar
2/3 c. white Karo syrup

Simmer berries over low heat. Strain for juice. Cool. (Should make 2 cups juice.) Combine the juice, sugar and Karo syrup. Stir until dissolved. Boil 15 to 20 minutes, stirring once in a while. Put in jars. Refrigerate.