What could be more refreshing on a hot day than a drink made with frozen berries? This vodka cocktail is perfect for sipping on a warm afternoon or evening.

To make the cocktail, start by freezing a mixture of raspberries, blueberries, and blackberries. Once they are frozen, place them in a blender and blend until smooth. Pour the mixture into a glass and top with vodka. You can also add a little lime juice or sparkling water for extra flavor.…