Flank Steak - cooking recipe

Ingredients

1/3 c. white vinegar
1/3 c. water
2 Tbsp. soy sauce
1 sliced onion
1 lb. flank steak

Preparation

Combine all
ingredients;
pour over steak.
Marinate 6 hours or more,
turning
once.
Place
4 to 5 inches away from coals 8 to 10 minutes; turn.
Do the same for other side.