Step 1

Preheat the oven to 350 degrees F. Grease an 8x8 baking dish. Set aside.

Step 2

In a large mixing bowl, stir together the all purpose flour, sugar, cocoa powder, salt and baking soda.

Step 3

In a separate bowl, combine the vanilla, vinegar, oil and water.

Step 4

Mix the wet ingredients into the dry ingredients with a hand held mixer until they are thoroughly combined.

Step 5

Bake for 30-35 minutes until a toothpick inserted into the cake comes out clean.

Step 6

Allow the cake to cool completely before topping with the frosting.

Step 7

Stir together the butter and cocoa into a mixing bowl.

Step 8

Add in the remaining ingredients and combine with a hand held mixer until the frosting is combined and smooth.

Step 9

Spread the frosting on the cake. Then the cake is ready to slice, serve and enjoy!