01 -
Softened unsalted butter, 1/2 cup.
02 -
1/2 cup of smooth peanut butter.
03 -
Half a cup of white sugar.
04 -
Brown sugar, 1/2 cup packed.
05 -
1 large egg.
06 -
1 teaspoon vanilla extract.
07 -
1/2 teaspoon of baking powder.
08 -
1/2 teaspoon of baking soda.
09 -
A pinch of salt, 1/2 teaspoon.
10 -
1 teaspoon of cornstarch.
11 -
1 cup all-purpose flour.
12 -
3/4 cup marshmallow fluff or cream.