Snails are washed and showered with cold water, which add salt, vinegar and a little flour. After rest for 2 hours and washed well, and immersed in hot water for 5-6 minutes. Drained, cooled and snails are removed from their shells with a toothpick. Remove the black their peak (anus). Flooded with water and wine, so that the liquid to cover them. Add onions, carrots, parsley, thyme and salt. Boil over medium heat for 3 hours. Leave to cool in the broth you. Flour, 1 cup cold broth of snails yolks previously broken foam, salt and black pepper sauce is made, which immersed the snails and then fry in vegetable strongly heated butter until golden color.