Peanut Butter Chocolate Chip Shortbread Cookies

INGREDIENTS

stick, (1/2 cup, 4 ounces) unsalted butter, at room temperature (important!)

1/3 cup

creamy peanut butter (I like Jif)

1/2 tsp

vanilla extract

1 1/4 cups

all purpose flour

1/4 cup

confectioner’s sugar

scant 1/2 tsp sea salt

3/4 cup

milk chocolate chips