Black Widow Snack Cake
Combine four cups powdered sugar with 5 to 7 tablespoons milk; spread a thin layer over each cake. Combine a cup of powdered sugar, cocoa, and two tablespoons milk in a small ziplock back.
Close and snip a tiny hole in bottom corner of bag; pipe concentric circles onto each cake.
Pipe straight lines at intervals from the inner circle through the outside circle, forming a web. Garnish with washed spider.