Biscuits "hercules"

Go through the oats, sift. Fry the flakes in melted oil (125 g), cool. Beat the remaining oil with sugar. Add the oats, grated lemon zest, eggs and oat flour obtained after sieving the flakes. Place the dough on a sheet with a teaspoon and bake the cookies in the preheated oven until light brown. Remove the cooled cookies from the sheet with a wide knife or pastry spatula.