Cranberry-Orange Relish

1 (12-ounce) bag fresh cranberries

3/4 cup sugar

1 cup chopped onion

3 tablespoons cider vinegar

2 teaspoons orange peel, coarsely grated

1 orange, peeled and chopped

1 tablespoon crystallized ginger

1/2 teaspoon ground ginger

1/2 teaspoon cinnamon

1/4 teaspoon allspice

1/4 teaspoon red pepper flakes

1/4 teaspoon salt

1. Combine all ingredients in a saucepan and bring to a boil. Immediately reduce the heat and simmer 20 minutes. Let cool before serving.