1 round steak
1 c. soy or teriyaki sauce
1/2 tsp. garlic powder
1/2 tsp. liquid smoke
1 tsp. black pepper

Slice beef thinly. Mix marinade ingredients. Marinate 12-24 hours. Lay strips on wire rack in oven. Bake 1/2 hour at 200 degrees, then 3 1/2 hours at 150 degrees.