You’re cooking in classic French style when you make this recipe. A sauté is a dish in which food is first cooked in a skillet, or sautoir, then sauced with the pan drippings and simmered with aromatic vegetables.
Pearl onions can be time consuming to peel. It will be easier if you pour boiling water over them a few minutes before slipping off the skins--and there will be fewer tears, too.
When there's no rosemary in your herb garden but plenty of thyme, just use thyme leaves instead of the chopped fresh rosemary. It's a wonderful herb to use with veal, too.