Korean summer dessert : Pat Bing Su Recipe 1. Mix 2 cups of milk, 1 cup of water, 4 tablespoons of sugar or condensed milk, and a tiny pinch of salt. Pour the mixture into a container that’s easy to scoop from after freezing (like a shallow tray or container), then freeze it. 2. Once completely frozen, grind the frozen mixture in a blender or grinder. (If you have an ice shaver or bingsu machine, you can use that too.) 3. Scoop the shaved milk into a bowl and top with sweet red bean paste, soybe