Sprinkle with salt, allow to stand for 30 minutes.
Place carrots and potatoes in boiling water.
Simmer for 5 minutes, drain well.
Heat oil in a frying pan, fry onions until tender.
In a deep casserole layer all vegetables, sprinkling each layer with a little parsley, oregano, nutmeg and pepper.
Bake in a moderately hot oven 190C (375F) for 1 hour or until tender.