serves 2
1/4 cup yellow onion, finely minced 1 tablespoons butter
1/2 lbs lean ground beef 1 tablespoons butter, softened 1/2 teaspoons salt 1/8 teaspoon pepper 1/8 teaspoon thyme 1 egg 1/2 cup flour, spread on a plate 1 tablespoon butter 1 tablespoon oil
1/2 cup beef stock, beef bouillon, dry white wine, dry white vermouth, red wine, or 1/4 cup water 2-3 tablespoons butter, cold cubes 2 tablespoons green herbs, minced (such as parsley, chives, tarragon, or chervil)