Rap Ubon is a local Thai restaurant near the Eastin Grand Sathon Hotel in Sathon, Bangkok. It serves pork jowl, grilled chicken, pad thai, and tom yum goong. The restaurant stays open until 4 a.m. and offers delivery through GrabFood. Pad thai and pad khao moo sab arrive in disposable bowls, other dishes come in plastic bags, and food tends to come out slowly.