Soak with a little bean Xin pastry, dry fried crispy fava beans technology: take bean Xin pastry 1.5-1.8 pounds dissolved in cool water and added to 250 pounds jin jin of clean water and stir, then add 100 pounds of fava beans and stir again. Still soaking 2-5 days (about 2 days in summer, 3-4 days in spring and fall, about 5 days in winter). Fished out and cleaned, incised, shade-dried surface water or cooled to half dry, into the pan dry fried until crispy.