Tamarind

This is to Thai food what tomatoes are to Italian food. It took weeks to find, and then I found it nearly 10 minutes later again at Food-4-Less, argh!
Tamarind is a seed, it is tart and is used in all type of Thai dishes, especially Pad Thai. The problem is, if you only have one asian market in town, they will sell you packaged seeds, but then you have to turn it into a paste/slurry. What a bitch this is. Anyway, here is the Paleo photo play-by-play:

This is what it looks like when you buy it.

Place it into 4 cups of pretty hot water. Not boiling but almost, about 180F.

Mash the shit out of it until it is room temperature and looks like brown ketchup.

Push it through a sieve or if I had to do this again, get a cheese cloth and squeeze the shit out of it.

Can and refrigerate.

Holy shit this was an effort.