INGREDIENTS
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1 ( 1 1/2- to 2-pound) flank steak 1/4 cup low sodium soy sauce 1/4 cup balsamic vinegar 1/2 cup vegetable oil 3 Tablespoons honey 4 garlic cloves, minced 2 Tablespoons minced fresh ginger 3 scallions, thinly sliced Equipment: gallon size sealable pl