This recipe for honey grape butter comes from The American Woman's Cook Book by Ruth Berolzheimer (1943).
6 cups grape pulp
1 cup grape juice
2 cups extracted honey
1/2 tsp salt
Cook grape pulp and juice for 5 minutes. Add honey and salt. Cook until thick and clear, about 30 minutes, stirring often. Pour into hot sterile glasses and seal at once. Makes 9 to 10 (6 ounce) glasses.