Detailed method of making the recipe Tomato Sauce Snapper Slices: 1. Wash and slice the snapper, marinate for 10 minutes, bring half a pot of water to boil, put in the snapper slices then turn off the heat, steam for 5-6 minutes, then take out and set aside. 2. Cut a cross on the bottom of the tomato, blanch in boiling water until the skin peels, then take out and soak in cold water, peel and slice; cut the green onion into sections. 3. Heat up the salad oil in a pan, stir-fry the green onion segments and tomato slices from step 2, then add the seasoning.