Teriyaki Tenderloin

1 pkg dry Onion Soup Mix [Lipton’s]
1 cup brown sugar
1/2-1 bottle cooking sherry [1 cup]
1/2 cup soy sauce
3 T sesame oil

Mix ingredients together and pour over filet mignon, beef or pork tenderloin. [Or just put everything in a large ziplock and add meat]  Marinate overnight or up to 48 hours.