Clean, wash and spin dry the lamb`s lettuce. Cook the sweet potatoes with their skins in salted water, peel them and cut them into cubes approx. Fry them in the heated oil until crispy on all sides, season with salt and pepper. Degrease on kitchen paper and let cool down a little.
Mix the balsamic vinegar and orange juice with the salt, pepper, agave syrup and mustard, fold in the oil.
Mix the lamb`s lettuce with the diced sweet potatoes, onions and dressing, season to taste. Serve sprinkled with walnuts and cranberries.