Peanut Butter Cup Birthday Cake

Cake edge 
My sister just passed a landmark birthday and her gift request from me was a hand-made peanut-butter-cup cake.  She is crazy for peanut butter, but scaling up a Reese’s to feed 20 people was a bit of a challenge.  I’m not much of a baker (and my penmanship sucks) so Rachel helped me out a lot with this cake.  Mad props to her, yo.  By the time we were done, it looked like a buttercream grenade had gone off in the kitchen and my hand mixer smelled like burning.  But, everyone loved this cake, so something must have gone right.

cake slice