1. Add yeast to flour, knead it into ear shape with water first, then knead it into smooth dough, and cover it with plastic wrap for 20 minutes. Knead the dough repeatedly, divide the ingredients, take a dough and divide it into 4 parts, one large, two medium and one small.

2. Pig noodles: flatten the largest dough and roll it in the middle with a rolling pin to form a thin dough sheet with thick sides.

3. Pig ears: flatten two medium-sized doughs and roll them into cow tongues.

4. Turn the rolled pig's face sideways and put on the pig's ears.

5. Pig nose: flatten the smallest dough and put it in a lower position.

6. Stab the pig's eyes and nose with chopsticks.

7. Ferment the blank for 30 minutes and steam it for 20 minutes. ?