Marcy's Peach ChutneyYields approximately 2 quarts
2 quarts finely chopped, peeled, pitted peaches (about 20 medium)3/4 cup raisins1/2 cup chopped onion (about 1 medium)2 cups brown sugar1/8 cup mustard seed2 1/2 cups cider vinegar, 5% acidity1 tablespoon ground ginger1 teaspoon salt