Ingredients
1 package devil’s food cake mix (regular size)1-1/4 cups sugar5 tablespoons all-purpose flour3/4 cup milk1/2 cup butter, softened1/2 cup shortening1 teaspoon vanilla extractGLAZE:1 cup sugar1/3 cup baking cocoa3 tablespoons cornstarch1 cup cold water3 tablespoons butter1 teaspoon vanilla extract
Preparation
Prepare and bake cake according to package directions, using a greased and floured 13-in. x 9-in. baking pan. Cool for 10 minutes before inverting onto a wire rack. Cool completely.
For filling, in a small saucepan, combine the sugar and flour. Gradually add milk. Bring to a boil over medium-high heat; cook and stir for 1-2 minutes or until thickened. Transfer to a small bowl. Cover and refrigerate until completely cool.
In a large bowl, beat the butter and shortening until fluffy. Beat in milk mixture and vanilla until smooth. Split cake into two horizontal layers; spread filling over bottom cake layer. Top with remaining cake layer.
For glaze, in a large saucepan, combine the sugar, cocoa and cornstarch. Gradually add water. Bring to a boil; cook and stir for 2 minutes or until thickened.
Remove from the heat; stir in butter and vanilla until glaze is smooth. Cool to lukewarm. Spread over top of the cake. Let stand until set. Refrigerate leftovers.
