Preheat the oven to 325 degrees and line muffin tins with liners In a large bowl, toss flour, baking powder, baking soda, and fine sea salt. Set aside.
Melt butter in a large saucepan over medium heat and whisk in Dutch process cocoa powder and cook for about a minute. Remove the saucepan from the heat and stir in both sugars.
Add in coffee, buttermilk , eggs and vanilla beans and whisk until smooth. Pour the chocolate mixture into the flour mixture and stir until combined.
Divide the batter between 32 cavities.
Bake for about 18-20 minutes or until there are just a few moist crumbs picked up with a toothpick. Let the cupcakes cool on a baking rack for 15 minutes to set.
Peanut Butter Buttercream
With a standard mixer fitted with a paddle beat the butter on medium speed until creamy, about 2 minutes.
Add the peanut butter, powdered sugar, cream, vanilla extract, and kosher salt with the mixer on low.
Then beat on high for 3 minutes and frosting is nice and fluffy.
Decorate cooled cupcakes as you wish. Say Grace and enjoy!