Wednesday, October 19, 2011

Mapo Tofu with Ground Pork [Attempt 2]

I recently discovered that Whole Foods carries Sichuan peppercorns. The last time I tried to make mapo tofu, this was the key ingredient that I was missing, so I decided it's time to revisit this dish. This time around, I searched for a recipe more authentic than the one in my big book o' Chinese food, which a friend told me was relatively legit. Something about the first recipe's use of chicken broth made me somewhat skeptical, though.

Sichuan pepper doesn't give heat like red chili pepper does. It's more of a cooling, tingling sensation on the tongue, and increased salivation. This kid agrees with me (watch his other videos, I really hope my future kids will be as adventurous and curious about weird foods at such an early age!).

About Sichuan Pepper
Doing a little research, I learned that Sichuan peppercorns are actually the outer husk of the dried berries of several kinds of Asian trees of the genus Zanthoxylum. In cooking, its flavor is often described as slightly citrusy, and it creates a buzzing numbness on the tongue. That numbness is due to the berry's bioactive component Hydroxy-alpha sanshool, which excites the sensory neurons that are responsible for our response to capsaicin (spicy heat, like in a chili pepper).

Did you know that Sichuan peppercorns were banned in the USA from 1968 to 2005? Not for health reasons, like with the ban on unpasteurized milk products, but because the peppercorns were capable of carrying the citrus canker bacteria that could have wrecked our citrus crops. Enforcement stopped in 2002, then the ban was lifted in 2005 when they were proven safe as long as the peppercorns were heated to 160˚F to kill the bacteria before import.

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