I am an absolute fan of blueberries and icebox cakes, and this one is an absolute dream. Ingredients • 2 cups fresh blueberries • 1/2 cup sugar • 2 teaspoons lemon juice • 1 1/2 cups heavy cream • 1/3 cup powdered sugar • 1 teaspoon vanilla extract • 24 shortbread cookies • Lemon zest, for garnish... Sign in to see full entry.