• 8 Ingredients
  • 2/3 cup balsamic vinegar
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  • 1 tablespoon olive oil
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  • 6 cups vertically sliced onion (...
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  • 1/2 teaspoon salt, divided
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  • 1 (1-pound) flank steak, trimmed
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  • Show all (8)
  • Nutrition 100% match
  • Calories per gram: 1.0
  • Total fat: Med
  • Show all

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