INGREDIENTS
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2 tablespoons grated fresh ginger
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1 tablespoon minced fresh garlic
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3 tablespoons low-sodium soy sauce
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4 teaspoons cornstarch, divided
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1 teaspoon toasted sesame oil
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1/2 teaspoon crushed red pepper
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1 pound flank steak, trimmed and thinly sliced
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Cooking spray
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2 cups thinly sliced shiitake mushrooms (about 1/2 pound)
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1 cup thinly vertically sliced onion
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1 cup red bell pepper strips
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4 cups sliced bok choy (about 1 medium head)
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1 cup less-sodium beef broth