Characteristics
True Mapo doufu is powerfully spicy with both conventional "heat" spiciness and the characteristic "mala" (numbing spiciness) flavor of Sichuan cuisine. The feel of the particular dish is often described by cooks using seven specific Chinese adjectives: 麻 (numbing), 辣 (spicy hot), 烫 (hot temperature), 鲜 (fresh), 嫩 (tender and soft), 香 (aromatic), and 酥 (flaky). These seven characteristics are considered to be the most defining of authentic Mapo doufu. The authentic form of the dish is increasingly easy to find outside China today, but usually only in Sichuanese restaurants that do not adapt the dish for non-Sichuanese tastes.
The most important and necessary ingredients in the dish that give it the distinctive flavour are chili broad bean paste (salty bean paste) from Sichuan's Pixian county (郫县豆瓣酱), fermented black beans, chili oil, chili flakes of the heaven-facing pepper (朝天辣椒), Sichuan peppercorns, garlic, green onions, and rice wine. Supplementary ingredients include water or stock, sugar (depending on the saltiness of the bean paste brand used), and starch (if it is desired to thicken the sauce).
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