- 1½ cups powdered sugar
- ¼ cup dry milk
- ¼ cup unsweetened cocoa powder
- 1 pinch salt
- ½ tsp pure vanilla extract
- 2 Tbsp unsalted butter
- 2 Tbsp water
Sift the powdered sugar and then measure it. Add it to a medium mixing bowl with the dry milk, cocoa powder and salt, stir together well.
Meanwhile in a small saucepan over low heat melt the butter and water together.
With a spoon, slowly add in the melted butter mixture, mixing well till combined. Add in the vanilla and beat till mixed in.
Take a sandwich box and lightly spray with non-stick cooking spray or butter it. Scoop the mixture into the box and pat out flat using the spoon or clean fingers.
Cover tightly and let chill for 30 minutes or longer to set up. Carry in the box or pop out and wrap in plastic wrap or wax paper.