- 3 1/2 pounds Concord grapes (approx. 8 cups)
- 2 cups water
- 4 1/2 cups sugar
1. Wash and stem grapes and measure out 8 cups. Remove skins from half of the grapes.
2. In a large kettle, combine the skinned and unskinned grapes. Cover and cook for about 10 minutes, until very soft.
3. Press grapes through a sieve and discard seeds and cooked skins.
4. Return 3 cups of strained pulp to the kettle and add in reserved grape skins and water. Cook, covered for 10 minutes over medium heat.
5. Uncover and mix in sugar.
6. Bring mixture to a full rolling boil, stirring often. Continue to cook for 18-24 minutes, or until jam sheets off a metal spoon (reaches 220 degrees F).
7. Remove from heat and skim off any foam that may have formed.
8. Immediately ladle into hot, sterilized half-pint jars (this recipe fills 6 half-pint jars), leaving 1/4 inch headspace. Wipe jar rims and adjust lids. Process in a boiling water canner for 5 minutes. Remove jars from canner and cool on wire racks.
Source: You Can Can
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