Ingredients

4 tablespoons unsalted butter 

1 cup sifted confectioners' sugar 

1 teaspoon pure vanilla extract 

1 to 2 tablespoons milk 

Preparation

In a small saucepan, melt butter over medium-high heat until nut-brown in color, about 10 minutes. Remove pan from heat, and pour butter into a bowl, leaving any burned sediment behind.

Add sugar, vanilla, and 1 tablespoon milk; stir until smooth. If the icing is too thick, add the remaining tablespoon milk, a little at a time, until consistency is spreadable. Let cool 5 minutes. Use immediately.