Came here for the super thick milkshakes. They're so thick that I had a hard time sucking it up the straw. I ordered the classic chocolate flavor. Didn't want to be too adventurous by mixing flavours, since you are allowed to choose up to three flavours from a selection of 30. Peters' Drive-in was a fun experience either you walk up to the counter to place your order or wait in the actual drive-thru line up. The milkshakes are what makes this place great!