I went to a local store to pick up some coconut milk. They were out of it. Where the coconut milk usually lives I spotted this and, on a whim, bought it - just because I'd never seen it before.
辣椒芝麻酱 - Chilli sesame seed sauce. Ingredients listed are sesame seeds, chilli, soy bean oil, salt, MSG and Sichuan peppercorn. I have no idea what to do with it. There is little information on Google or his Chinese equivalents. Experiment time.