Step 1

In a medium saucepan add brown sugar, granulated sugar, butter, egg yolks, and evaporated milk. Stir to combine and bring the mixture to a low boil over medium heat. Stir constantly for several minutes until the mixture begins to thicken.

Step 2

Remove from heat and stir in vanilla, nuts and coconut.

Step 3

Melt butter. Stir in cocoa. Alternately add powdered sugar and milk, beating to spreading consistency. Add small amount additional milk, if needed. Stir in vanilla.

Step 4

Pipe chocolate frosting along the outside edge of a chocolate cupcake. Spoon coconut frosting in the center.