chocolate fudge sheet cake

How To Make chocolate fudge sheet cake

• Step 1
  Put a rack in center of oven. Preheat oven to 350. Grease and flour a 13 x 9 inch baking pan. Invert pan and tap out excess flour
• Step 2
  Sift together sugar, flour, baking soda, and salt into a large bowl.
• Step 3
  Melt butter with water, cocoa powder and espresso powder in medium pan over medium heat, stirring til mixture comes to a boil. Pour liquid over dry ingredients and stir til smooth.
• Step 4
  In small bowl, whisk eggs, sour cream and vanilla til smooth. Scrape mixture into large bowl and stir just til blended.
• Step 5
  Pour batter into prepared pan and smooth surface with rubber spatula. Bake til toothpick inserted in center comes out clean, about 35 minutes. Invert cake onto rack to cool completely.
• Step 6
  To make frosting in medium pan, heat cream, butter, corn syrup and espresso til simmering. Remove pan from heat, add chocolate and let stand a few minutes to soften. Stir til completely smooth. Chill, stirring occasionally til frosting is just thick enough to spread.
• Step 7
  Put cake upside down on tray or board. Scrape frosting onto cake and spread evenly over top and sides with a rubber spatula. Let cake set at cool room temperature at least 1 hour before cutting. Or refrigerate til frosting is set, then wrap loosely in foil and store overnight. To keep foil from touching the frosting, poke a few toothpicks into top of cake before wrapping. Be sure to remove picks before serving the cake.
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