INGREDIENTS
1/2 cup
unsalted butter (softened)
1 cup
light brown sugar
1/2 cup
creamy peanut butter
2
large eggs
1 1/2 cups
all-purpose flour
1 tsp
vanilla extract
2 tsp
baking powder
1/2 tsp
kosher salt
1 cup
milk chocolate chips
1 cup
Reese's Pieces
1 cup
Marshmallow Fluff