Remove the pound cake from the loaf pan and spread the peanut butter frosting on top. Slice and serve.
Storage: Pound cake may be stored in an airtight container or baggie for up to 5 days.
First gather all your ingredients
Preheat the oven to 350 F. Grease a loaf pan and set aside.
In a small bowl, whisk together the flour, salt, baking powder and baking soda.
In the bowl of a stand mixer fitted with a paddle attachment, cream the butter and sugar on medium high speed for 2 minutes.
Add in the eggs and egg yolks and beat for another minute
Add in the milk and vanilla and mix. Mix in the flour mixture and the cocoa just until combined. Fold in chocolate chips, if using.
Pour into a loaf pan and place into the oven.
Bake for 45 minutes or until a toothpick inserted comes out clean or with moist crumbs. Once baked, remove from the oven and place onto a cooling rack to cool to room temperature.
While your pound cake is cooling gather your frosting ingredients.
Place all of the frosting ingredients in a medium mixing bowl and whisk together.
Mix until your frosting is thoroughly combined.
Remove the pound cake from the loaf pan.
Spread the peanut butter frosting on top.
Allow your frosting to harden for a few minutes and then slice.
Serve and enjoy.