3/4 c. soy sauce
3/4 c. Worcestershire sauce
3 tsp. liquid smoke
1 1/2 tsp. onion powder
1 1/2 tsp. garlic powder
1/2 tsp. pepper
2 tbsp. monosodium glutimate
2 drops Tabasco sauce

Slice meat into strips with the grain (flank works best). Make the marinade and put the meat in a container like Tupperware that you can turn every 1/2 hour for about 6 hours.

Place each strip on the oven racks, heating for about 6 hours at low over temperature. Store in covered container.