Step 1

Preheat oven to 350 degrees F. Grease a 9x13'' pan with non-stick cooking spray.

Step 2

In a large mixing bowl, pour oil over cocoa powder and mix. Add softened butter and mix until smooth. Add sugar and mix for 1 minute.

Step 3

Add eggs, one at a time, mixing after each addition. Add vanilla and mix. Add flour and salt and stir to combine.

Step 4

Pour batter into prepared pan. Bake for 30-40 minutes or until a toothpick inserted into the center comes out clean. 

Step 5

In a medium saucepan add brown sugar, granulated sugar, butter, egg yolks, and evaporated milk. Stir to combine and bring the mixture to a low boil over medium heat. Stir constantly for several minutes until the mixture begins to thicken.

Step 6

Remove from heat and stir in vanilla, nuts and coconut. Allow to cool completely.

Step 7

Once the brownies have cooled, cover the brownies with a layer of German chocolate frosting.