Homemade Peanut Butter Cookie Dough Oreos

INGREDIENTS

For the Oreo cookies:

1 cup

plus 2 tablespoons all-purpose flour

1/2 cup

plus 2 tablespoons unsweetened Dutch-process cocoa powder

1 tsp

baking soda

1/4 tsp

baking powder

1/4 tsp

fine salt

1 cup

granulated sugar

10 tbsp

unsalted butter, at room temperature

large egg

For the peanut butter cookie dough filling:

4 tbsp

unsalted butter, at room temperature

1/2 cup

creamy peanut butter

1/4 cup

lightly packed light brown sugar

2 tbsp

granulated sugar

1/4 cup

milk (any kind)

1/2 tsp

vanilla extract

1 1/4 cups

all-purpose flour

1/8 tsp

fine salt

1/2 cup

miniature chocolate chips