Created by Chocolatll on May 9, 2015
Step 1: Preheat oven to 350°F.
Step 2: Grease and flour the bottom of a 9" round cake pan.
Step 3: Sift flour, baking soda, salt, sugar and cocoa together in a large bowl.
Step 4: Add shortening and milk and beat at low speed for 1 1/2 minutes.
Step 5: Add egg and vanilla.
Step 6: Beat 1 1/2 minutes more.
Step 7: Turn batter into prepared pan.
Step 8: Bake 30-35 minutes, or until tester comes out clean.
Step 9: Cool.
Step 10: Blend brown sugar, cornstarch and salt in a saucepan.
Step 11: Blend in egg yolk.
Step 12: Gradually add milk and mix thoroughly.
Step 13: Cook over moderate heat until thickened, stirring constantly.
Step 14: Remove from heat and stir in butter and vanilla.
Step 15: Cover and cool.
Step 16: Whip cream until thick.
Step 17: Fold in sugar and vanilla.
Step 18: To assemble, slice cake in half horizontally to make 2 layers.
Step 19: Spread filling over bottom layer.
Step 20: Place second layer on top.
Step 21: Spread whipped cream on top of cake.