To prepare a warm mixed berry compote desserts recipe, first you need to prepare the berries. First, you'll need the following ingredients: 1 cup chopped fresh or frozen raspberries 2 cups chopped frozen cranberries 3 tablespoons sugar 1 teaspoon vanilla 2 teaspoons cinnamon Instructions: Place all the ingredients except the sugar in the saucepan. Bring the mixture to boil over medium heat. Reduce the heat to low and simmer for 10 minutes. Remove from heat and stir in 1/4 cup granulated sugar. Pour into jars and store in an airtight container.