2, Mapo tofu practice: cut the tofu into 2 cm square pieces, put it in boiling water with a little salt, remove the beany smell, remove it and soak it in water; Chop fermented soybean, garlic sprout and ginger; Heat the wok, add oil, add beef stuffing and stir fry; When the beef stuffing is fried to golden brown, add bean paste and stir fry; Add Douchi, Jiang Mo and Chili powder and stir-fry until beef is colored; Boil the stock, add tofu and cook for 3 minutes, add soy sauce, garlic sprouts, sugar, add salt to taste, thicken with wet starch, sprinkle with pepper noodles and chopped green onion.
3, hot and sour potato shreds practice: peel the potato, cut it into filaments, soak it in water to wash off the starch, which can not only avoid its blackening, but also keep it white, tender and crisp when frying. Take out before frying and drain. Remove seeds and pedicels from green pepper and red pepper, cut into filaments, and shred dried pepper. Heat a wok, add oil to heat it, put shredded shallots in the wok, add dried peppers and stir-fry, then add shredded green peppers and potatoes, stir-fry until 80% cooked, add refined salt and monosodium glutamate to taste, then add sesame oil and balsamic vinegar and stir-fry.