1, the cooking method is complicated, and the kelp is steamed for half an hour before cooking, so that the kelp will rot once cooked. Because steamed kelp is half cooked, it won't take long to cook, but it has a disadvantage that it is troublesome and time-consuming.

2, convenient cooking method, before cooking kelp, soak it in rice water or salt water, add some vinegar to the water, soak it for about 1 hour before cooking, or cook it quickly. This method is simple and convenient, and it is very suitable for use.

3, scientific cooking methods, you can put some spinach in the process of cooking kelp, which will also cook quickly. Because spinach contains oxalic acid, kelp can be softened quickly and boiled easily. This method has a good effect, but the disadvantage is that it may affect the taste.