Rinse the squid under running water. So it is necessary to clean the inside of the chitinous plate, which is a sort of hard plastic spaghettini, but flat. It is easy to place it inside the carcass and at least easily removed. Three times boil the kettle, squid pour the boiling water, stir with a fork for 1 minute. Drain the water, rinse the squid under the tap. Again, pour boiling water and stir for a minute with a fork. Again drain the water. The third time, fill with boiling water, adding 1 tbsp. of salt, spices for fish, stir and leave for exactly three minutes. Water to merge, squids ready. Buy young squid, small.