01 -
Warm up your oven to 350°F (175°C), and get a muffin pan ready by popping in liners.
02 -
Grab a fresh bowl and whisk together sugar, oil, eggs, and vanilla. Blend in the dry mix gradually, alternating with milk.
03 -
Toss the flour, cocoa powder, soda, and salt into one bowl and mix well.
04 -
Spoon batter into cupcake liners, filling a little past halfway. Bake for 18-20 minutes, then let them cool completely.
05 -
Mix together peanut butter, powdered sugar, and milk till creamy. Add a dollop inside each cooled cupcake.
06 -
Beat peanut butter with softened butter until light and airy. Gradually add in powdered sugar, milk, and vanilla till you get a thick frosting. Swirl it on the cupcakes.