reese's peanut butter cake

Ingredients For reese's peanut butter cake

• 2 stick

  margarine
• 4 Tbsp

  cocoa powder
• 1 c

  water
• 2

  eggs, well beaten
• 1/2 c

  buttermilk
• 2 c

  sugar
• 2 c

  all purpose flour
• 1 tsp

  baking soda
• 1 tsp

  vanilla extract
• 1 c

  smooth peanut butter
• 1 stick

  margarine
• 4 Tbsp

  cocoa powder
• 6 Tbsp

  buttermilk
• 1 box

  powdered sugar
• 1 tsp

  vanilla extract