1. Wash the lobster, cut it in half, draw a circle along the edge of the shell with a knife, separate some meat from the shell, and plate it separately;

2. Chop lemon, ginger, garlic and onion (chop the upper part for later use);

3. Turn on a small fire and melt the butter in the pot. Turn the medium heat to the chopped ingredients, stir-fry until fragrant, turn off the heat, and add black pepper and salt to taste;

4. Sprinkle the fried ingredients evenly on the lobster meat. After the steamer comes to a boil, put the lobster into the fire 10 minute, turn off the fire, sprinkle with chopped green onion, and stew for 1 minute.