Mince sage, rosemary and garlic, previously cleaned. Mix with salt and pepper in a dish. Tie with twine the roll of meat, because it keeps its round shape, grease it with some oil and sprinkle with the aromatic mix.
Clean and cut the leek into slices, and put them to fry a few minutes in a pan with a little oil. Add the sausage cut into rounds. When they have browned, beat the eggs (2 per person) with a pinch of salt and pepper and add all to pan. Finish cooking and serve.