Complex sentence: A Béarnaise sauce is simply an egg yolk, a shallot, a little tarragon vinegar, and butter, but it takes years of practice for the result to be perfect, "wrote the restaurateur Fernand Point (1897-1955) in" Ma Gastronomie.
Split into simpler sentences: A Béarnaise sauce is simply an egg yolk, a shallot, a little tarragon vinegar. It takes years of practice for the result to be perfect, "wrote the restaurateur Fernand Point (1897-1955) in" Ma Gastronomie.