4 tablespoons melted butter
1 cup withe dry wine (200 ml)
Ground black Pepper
Peel the potatoes without washing and neither leave in water, because the starch will unite them. Cut in slices
Cut the leek in circles and undo them.
In a pan grease with butter, prepare the potatoes, sprinkle
with salt, pepper and leaves of rosemary. Put a litter of leeks in a uniform way and drip some drops of melted shortening
To continue the litters until finishing in potatoes, paint with butter melted, salt, pepper and leaves of rosemary .Put the white wine on the whole preparation
Take to the oven until gilding.