SAUCE IMPERIAL

Put the oil, parsley, bay leaves, thyme, and onions into a stew-pan, set on the range and cook until the onion is a golden brown, being careful not to burn; then add the flour, let cook a few minutes, add the lemon and tomato, and let stew half an hour. Strain, salt, and serve. The chopped parsley may be added just before serving, if desired.