Chocolate Snack Cake.....with Perfectly Chocolate Frosting

Chocolate Snack Cake       from:   Taste of Home
CAKE 
1 c. boiling water
1/4 c. butter, softened
1 egg
1 t. vanilla extract
1 c. all-purpose flour
1 c. sugar
3 T. baking cocoa
1 t. baking powder
1/2 t. baking soda
1/4 t. salt
Confectioners' sugar
In a bowl, beat water and butter until butter is melted. Beat in egg and vanilla. Combine flour, sugar, cocoa, baking powder, baking soda and salt; add to the egg mixture. Beat for 2 minutes.
Pour into a greased 8-in. square baking pan. Bake at 350° for 25-30 minutes or until a toothpick inserted near the center comes out clean. Cool on a wire rack. Dust with confectioners' sugar. Yield: 9 servings.
"PERFECTLY CHOCOLATE" FROSTING    from  Hershey Chocolate
1/2 c.butter or margarine
2/3 c. HERSHEY'S Cocoa
3 c. powdered sugar
1/3 c. milk
1 t. vanilla extract
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. About 2 cups frosting.