1 c. olive oil
1/4 c. soy sauce
3 tbsp. red wine
2 lg. onions, grated
1 tbsp. salt
1 1/2 tsp. oregano
1 (4 lb.) chuck roast, 1 1/2 inch thick
1 clove garlic, minced

Mix ingredients for sauce. Cover meat with liquid and marinate for 24 hours. Turn at least once. Cook over hot coals until done.