Wash the ribs, soak them in cold water for 30 minutes, take them out and drain them, add a spoonful of raw flour and catch them evenly. Then add soy sauce, oyster sauce, pepper, salt and sugar and mix well. Then add a spoonful of blending oil and mix well, then take a spoonful of raw flour, pour it into the ribs, grab it evenly, cut the garlic into minced garlic, pour it into the ribs with Jiang Mo, mix well, cover the bowl and marinate for 30 minutes. If you like something heavier, you can chop the lobster sauce a little, stir-fry it in oil for a few times, cool it and sprinkle it on the ribs. If you like to eat something light, ignore this step. Boil the water in the steamer, add the ribs and steam 10 minutes.