Spiced Grape Jam - cooking recipe

Ingredients

2 quarts concord grapes
6 cups sugar
1 teaspoon whole cloves
2 teaspoons chunk cinnamon
5 whole allspice
2/3 cup white vinegar
2 medium tart apples, cored and sliced
2 tablespoons grated orange peel

Preparation

Prepare jelly jars and seals by sterilizing them in boiling water.
Remove grapes from stems; rinse and drain.
Place grapes in a large heavy-bottomed pan and mash to break skins.
Add remaining ingredients and bring to a full rolling boil.
Reduce heat to medium-low and let boil gently for about 20 minutes, stirring occasionally.
Strain through a food mill or sieve.
Put strained mixture back into the pan and bring back up to a simmer.
Pack into sterilized jelly jars.
Seal jars as directed by the manufacturer.