Melt the butter in a pot, remove from the heat and stir in the white sugar.
Once that is combined, mix in your cocoa.Add in your eggs and mix it very well.Once it's all done, add in your flour and barely stir it in. Just barely.
Unwrap and place the giant peanut butter cup right in the center of your seasoned skillet
Pour the brownie batter around the peanut butter cup, making sure not to get it on top.
Place the mini peanut butter cups around the large one in the brownie batter, pressing into the batter until the tops are level with the batter.
Bake at 350 degrees for 25-30 minutes until the brownie batter is cooked
.If you want perfect presentation, cool this almost all the way.If you want it warm and gooey, then cool it enough that you can cut it nicely, but the best slice is when it's cooled completely, of course!