"This spicy vegetarian stir-fry is a great way to use green beans when they’re bountiful and inexpensive at the supermarket. You can also try it with other vegetables, such as broccoli or peppers, just make sure to cut them into small pieces so that they cook quickly. Coating the tofu in cornstarch before you cook it gives it a light crust...."
INGREDIENTS
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1/2 cup water, divided
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1/4 cup reduced-sodium soy sauce
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1 tablespoon tomato paste
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2 teaspoons Chinkiang vinegar (see Note) or balsamic vinegar