Peanut Butter Ho Ho Cake - cooking recipe

Ingredients

1 box Devils Food or Swiss Chocolate cake mix (Duncan Hines seems to work best)
1 stick butter
1 cup sugar
1/2 cup luke warm water
3 Tbsp flour
3/4 cup creamy peanut butter
1 tsp vanilla
1 can chocolate or chocolate fudge icing

Preparation

Prepare and bake cake according to the directions on the box. Let cake cool completely.