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Prep 5 mins
Cook 15 mins
My sister Lyn sent me this recipe. She says she originally got the recipe from out Mom, Joan Terhaar. I make this also but don't use the rosemary and I use red wine vinegar. When I BBQ the flank steak, I make a foil packet and place the onions in it and grill it along with the steak. It is awesome!!!
- Mix all ingredients in a large ziplock bag.
- Put flank steak into the bag to marinade, at least 2 hours in refrigerator. Pre-heat BBQ at least 5-10 minutes. Place meat on BBQ approximately 7-10 minutes per side.
- In meantime place marinade in saucepan and cook until onions are clear, then use as a topping on the meat.