A method for producing a water-boiled processed food

Problem to be solved: To provide a water-boiling processed food that alleviates sourness and can be eaten with good taste, and to provide a method for producing the water-boiling processed food. [Solution] provided is a water-boiled processed food in which at least one kind of water-boiled food selected from the group consisting of vegetables and mushrooms and a filling liquid are enclosed in a container, wherein the filling liquid has a pH of 4.6 or less, The Japanese apricot vinegar is desalted to a salt concentration of 1 mass percent or less. At least one kind of water-stewed product from the group consisting of vegetables and mushrooms is immersed in a prepared pickle containing Ume vinegar desalted to have a salt concentration of 1 mass percent or less, and then sealed in a container together with a filling liquid containing Ume vinegar desalted to have a salt concentration of 1...