In a 3 qt heavy sauce pan, place 1 pound fresh cranberries, 1/2 lemon quartered, 1/2 large apple peeled and chopped, 2 cinnamon sticks, 1/2 teaspoon crushed red pepper flakes, and 1/2 cup (or more to taste) brown sugar. (moretimeatthetable.com)
I add all the ingredients (except vanilla) in a cold HEAVY sauce pan. (cookingforengineers.com)