1. Slice the onion and shallot into thin slices, finely chop the garlic cloves, then cut the sausages into thin slices.
2. In a sauté pan, sauté the onion, shallot, garlic cloves, and sausages with olive oil, season with salt, pepper, and Herbes de Provence, then set aside.
3. Cut the peeled and washed potatoes into cubes, then fry them in a deep fryer until lightly golden.
4. Incorporate the potatoes into the previous preparation and simmer for 15 minutes with water.
5. Serve the pan-fried potatoes and sausages.