Butterscotch Frosting

3 tablespoons unsalted butter
2 cups confectioners' sugar
1 1/2 tablespoons milk
1/2 teaspoon vanilla extract
1/2 cup ground pecans

Heat butter just until it begins to brown. Stir in sugar; remove from heat. Add milk and vanilla extract; mix until smooth. Stir in nuts.

Frosts 2 (8-inch) layers.