Preheat oven to 350°F. In ... until smooth. Pour cake mixture into ungreased 9-inch square ... sugar, cocoa and hot water, making sure that the ... put in 9x13-inch pan.
Combine first 4 ingredients in ... together; add to hot mixture. Add remaining ingredients. Pour into sheet cake pan. Bake at 350 degrees ... Spread on hot cake.
Heat oven to 350°F. In ... in pan. Pour hot water on batter. Bake 45 minutes. While hot, cut cake into squares; invert onto dessert ... baking powder and salt.
Prepare and bake cake according to package directions, using ... and begin preparing fudge sauce. In a double boiler, ... Pour all of hot fudge sauce evenly over cake, ... out rather than cutting.