Note that there are clay pots and clay pots. European recipes usually mean a
Romertopf-type pot that's totally unglazed. Asian recipes usually mean a
sand pot that's unglazed on the outside and glazed inside. Either way you soak them first, but they have different cooking qualities. Chinese recipes are more likely to work in a cast-iron dutch oven. In lieu of a Romertopf you can get a large terracotta flowerpot with a saucer at the hardware store, using the saucer as the base and inverting the pot over the top for a lid.
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Romertopf[/url]
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Sand pot[/url]