2. Beat an egg in a bowl, add 20 grams of sugar, 120 grams of milk, 20 grams of oil, 3 grams of yeast and 250 grams of flour, knead into dough, and put it in a warm place to ferment to twice its size.
3. Squeeze and exhaust, divide into 9 small round cakes, ferment to twice the size, press small sausages, brush a layer of egg liquid, squeeze in tomato sauce and salad dressing, sprinkle chopped green onion, put them in the oven 170 degrees, and bake for 15 minutes.