Using a Kitchen-Aid Stand Mixer, cream the butter, sugars and salt until creamy (about 3 minutes with an electric mixer on medium speed)

Add vanilla and egg and beat well

Gradually add the flour and beat just until combined

Stir in the chips

Roll the dough and then refrigerate for 30 minutes

Preheat oven to 350 degrees

Lightly flour the work surface and rolling pin and roll dough to 1/4″ thickness

Cut into desired shapes and place on parchment parchment or silicone-lined baking sheets

Bake 8-10 min or till golden brown

Cool on sheet for 5 min. and then transfer to wire rack