Marinated Flank Steak - cooking recipe

Ingredients

2 1/2 lb. round or flank steak
1/2 c. chopped onion
1/2 c. lemon juice
1/4 c. salad oil
1/2 tsp. salt
1/2 tsp. celery salt
1/2 tsp. pepper
1/2 tsp. thyme
1/2 tsp. oregano
1/2 tsp. rosemary
1 c. sherry

Preparation

Blend all the ingredients, except the steak.
Pour mixture over the steak and let marinate for 4 or 5 hours.
Turn occasionally.
Grill over a high flame for about 10 minutes, turning once.