Cookie Dough-Stuffed Chocolate Chip Cookie Sandwiches

INGREDIENTS

For the cookies:

1 cup

white whole wheat pastry flour (can also substitute 1 cup all-purpose flour)

1 cup

light (or medium) brown sugar

1/2 cup

unsalted butter, melted

egg

1 tsp

vanilla extract

1/2 tsp

baking soda

1/2 tsp

salt

1 tsp

cornstarch

1 cup

semi-sweet chocolate chips

For the cookie dough:

1/2 cup

butter, room temp

3/4 cup

light (or medium) brown sugar

2 cups

confectioner's sugar

1/3 cup

all-purpose flour

2 tbsp

heavy cream

1 tsp

vanilla extract

1/2 cup

semi-sweet chocolate chips (mini chips would be ideal!)