Step1:Wash the shrimps. Add cooking wine and soy sauce and marinate for 1 hour.
Step2:Spread a layer of tin foil on the baking tray. Brush it with oil. Cut the onion into rings. Spread it on the oiled foil. Apply another coat of oil.
Step3:Spread prawns on onions. Preheat oven to 220 degrees.
Step4:Bake in oven at 220 degrees for 5 minutes. Remove and brush with oil.
Step5:Remove the pan and sprinkle with black pepper. Continue to bake in the oven for 10 minutes.
Step6:Take out the baking tray again, sprinkle a little onion and salt, and bake for 5 minutes.
Cooking tips:There are skills in making delicious dishes.