PHILADELPHIA -- Inside the newest Insomnia cookie store in South Philadelphia, you'll see what looks like a bookcase.
But it's actually a secret doorway that leads, sweet-easy style to a CookieLab. But you need to know the secret password, which can be found on their instagram account.
Seth Berkowitz founded Insomnia Cookies in 2003 as a junior at Penn. Their latest invention features craft milkshakes and cookies.
There's a cookie creation station with five cookie bases to choose from-the chunks, the doubles, sugars, snickerdoodle, Red Velvet-and then bins on bins of ingredients that can be baked in or drizzled and sprinkled on top.
There's also a milkshake bar. Milkshakes are customizable too and you can top your shake with your dream cookie.