Step 1

Preheat oven to 400 degrees F.

Step 2

Spray a 15x10x1 inch baking sheet with cooking spray and set aside.

Step 3

In a large mixing bowl, measure flour and sugar. Set aside.

Step 4

In a medium sauce pan, combine butter, water, German Chocolate baking chocolate and shortening. Bring to a boil. After mixture reaches a boil, add it to the flour mixture and stir to combine.

Step 5

Add buttermilk, then baking soda, then eggs, then vanilla in that order, mixing in-between each addition.

Step 6

Pour into prepared pan and bake at 400 degrees F for 20 minutes

Step 7

In a medium sauce pan over medium high heat combine milk, sugar egg yolks, and butter. Bring to a boil and reduce heat to medium. Stir constantly for about 12 minutes until thickened. Remove from heat and add coconut and pecans. Stir in vanilla. Spread over cake evenly and drizzle with hot fudge.

Step 8

Refrigerate for 2 hours before serving.