01 -
Once the cupcakes are filled, spread the frosting on top.
02 -
Whip up the butter with cream cheese, then mix in Nutella and the melted chocolate.
03 -
Warm the chocolate chips until they're nice and smooth.
04 -
Scoop out the center of cooled cupcakes, add the Nutella mix inside, then pop the cake top back.
05 -
Stir together milk and Nutella until it's super creamy.
06 -
Let them chill till totally cooled off.
07 -
Slide the tray in and bake for about 16 or 17 minutes.
08 -
Spoon the batter into the cupcake papers until they're about two-thirds full.
09 -
Pour in the hot water and stir till everything's smooth.
10 -
Switch off between scooping in the flour and sour cream.
11 -
Mix in the salt, cocoa powder, and baking soda.
12 -
Drop in the eggs one by one, then pour in the vanilla.
13 -
Beat that butter with brown sugar till it gets fluffy and light.
14 -
Crank your oven up to 350°F and set up your cupcake tins.