Making crayfish tails

First，prepare some crayfish tails，  onion，pepper，garlic（蒜），ginger（姜），suger，salt，spice(香料)，a spoon of Pixian bean paste（郫县豆瓣酱），and a can of beer.

Next，put oil in a wok，and put some spice.

Next，put some garlic and some ginger in it.

Then，put a spoon of Pixian bean paste in it.

Then，put some crayfish tails in it.

Then，pour a can of beer in it.And wait 20 minutes.

Then，put some onion and some pepper in it.

Finally，put it in a plant.