Mix flour, eggs, milk and 1 pinch of salt until smooth. Leave to swell for about 10 minutes. Clean, wash and finely chop the leek and mushrooms
Wash duck breasts and pat dry. Heat 1 tablespoon of oil. Sauté the duck breasts with the skin side first, then the meat side. Fry over medium heat for approx. 20 minutes, turning from time to time
Heat 1-2 tablespoons of oil in portions in a coated pan (approx. 20 cm Ø). Bake 8 thin pancakes from the dough one after the other. Keep warm
Season the duck breasts, remove and keep warm. Steam leek and mushrooms in hot duck fat for about 8 minutes. Deglaze with sherry, tomato juice and asia sauce, bring to the boil
Cut the duck breasts into slices and add to the vegetables. Season everything with salt, pepper and Sambal Oelek. Spread the filling on the pancakes. Roll up and arrange