As part of the Shaanxi Pass, we've been eating all kinds of food, using veggies, sour sauce, a spoon of water over the noodles, sob, sour, sour, sour, sour, sour。
A few delicious ones were made of black beans: a little vinegar and black tofu, eggs and black tofu, black tofu and black tofu noodles. In particular, two tofu, simple, safe, healthy and delicious. Because it's bean products, it's done the same day and finished the same day, so it's healthy and safe. In addition, soybean sour should be cooked with “false boiling” phenomena, and soybean and slag must be fully cooked。