Microwave Walnut Fudge Ingredients 32 ounce bag powdered sugar (about 8 cups, unsifted) 1 cup unsweetened cocoa powder (unsifted) 1 cup unsalted butter (cut into ½ inch cubes) ½ cup milk (whole milk recommended) 1 ½ cups walnuts 2 teaspoons vanilla extract 1 teaspoon salt Line 2 8x8 pans or 9x13 pan with parchment paper sprayed with non stock spray. . In a large bowl, combine powdered sugar and cocoa powder and stir until well mixed. Place cubes of butter on top. Pour milk over sugar mixture but do no mix. Microwave on high power 3-5-minutes until the butter has almost completely melted. Immediately remove mixture from microwave and stir well until very well combined. Add walnuts stir until combined Stir in salt and vanilla. Immediately pour warm fudge into prepared dish and spread to desired thickness.