Peanut Butter Chocolate Stout Cake

for the cake:

dutch-processed cocoa powder

all-purpose flour

granulate sugar

light brown sugar

baking soda

salt

vegetable oil

large eggs

dark stout, such as Guinness*

vanilla extract

for the frosting:

creamy peanut butter

unsalted butter, room temperature

powdered sugar

milk (this will depend on the consistency of your peanut butter. start with 2 and work up)

for the ganache/everything else:

bitter- or semi-sweet chocolate chips

heavy cream

few large pretzels

Snickers bar