01 -
Set your oven to 350°F and get your baking sheet ready with some parchment on top.
02 -
Stir together peanut butter, egg, sugar, and vanilla until the mixture’s nice and smooth.
03 -
Roll dough into balls, arrange on the baking sheet, and press down with a fork to add crisscross marks.
04 -
Pop it in the oven for about 10-12 minutes. Once the edges look golden, let them cool completely.
05 -
Whip up the butter and brown sugar until creamy. Beat in the cream and confectioners' sugar to make it fluffy.
06 -
Spread the filling over one cookie, then sandwich it with another on top.