1/2 c. onions, chopped
1/2 c. olive oil
1/3 c. red wine vinegar
1 tsp. oregano
1/2 tsp. salt
1/2 tsp. pepper
2/3 c. lime juice
3 cloves garlic, pressed or well chopped
1/4 tsp. cumin
1 1/2 to 2 lbs. meat

Combine all ingredients. Marinate meat overnight. Cook over medium high coals 6 to 7 minutes each side or until done.