1. Wash the clams, drain and put them on a baking tray for later use.
2. Shred onion and garlic and sprinkle evenly on clams;
3. Cover the baking tray with tin foil and put it in the preheated oven. 200 degrees, 10 minutes, after six minutes, open the tin foil, and turn the position of the clam with a wooden spoon to prevent the clam from being unevenly heated and opening incompletely;
4. The clams are baked and sprinkled with coriander powder, which tastes very fresh.