Mix the PBfit with a little water until you can form a ball, then freeze it.
Mix all the cake ingredients together and pour half the batter into a ramekin.
Add your frozen PB ball in the center, then cover with the remaining batter.
Bake at 350°F for 10–12 min or air fry for ~8 min don’t overcook it if you want that lava center
Mix: ½ scoop protein powder, Cocoa powder, A little water
Pour it over the warm cake and finish with 1 Reese’s cup
