Make the dough: In the bowl of a stand mixer fitted with the flat beater, beat sugars on medium speed until well mixed. Add butter and peanut butter and beat until very smooth and creamy, 2-3 minutes.

I found that if you add peanut butter and sweetened condensed milk, the bite is even better. To assemble, press half of the mixture into your pan and top with a layer of jelly. The result is one ...