Perfect Chocolate Cake(May Prepare Ahead.  Makes One 3-Layer Cake.)  
["1 c. cocoa", "2 c. boiling water", "1 c. butter, softened", "2 1/2 c. sugar", "1 1/2 tsp. vanilla extract", "2 3/4 c. flour", "2 tsp. baking soda", "1/2 tsp. baking powder", "1/2 tsp. salt", "4 eggs"]
["Combine cocoa and boiling water, stirring until smooth; set aside to cool.", "Combine butter, sugar, eggs and vanilla; beat until light and fluffy (about 5 minutes).", "Combine dry ingredients; add to sugar mixture alternately with cocoa mixture, beginning and ending with flour mixture.", "Do not overbeat!", "Pour batter into 3 greased and floured 9-inch round cake pans.", "Bake at 350\u00b0 for 25 to 30 minutes or until toothpick comes out of the center clean.", "Cool in pans for 10 minutes; remove and cool completely."]
["cocoa", "boiling water", "butter", "sugar", "vanilla extract", "flour", "baking soda", "baking powder", "salt", "eggs"]