Shiitake, Shrimp, and Snow Pea Stir-Fry

INGREDIENTS

• 1 garlic clove, thinly sliced
• 1 teaspoon grated peeled fresh ginger
• 3 tablespoons rice vinegar
• 2 tablespoons soy sauce
• 1/4 teaspoon red-pepper flakes
• 2 tablespoons vegetable oil
• 1 pound shiitake mushrooms, stemmed and halved (large ones quartered)
• 1 pound large shrimp, peeled and deveined
• 4 ounces snow peas, trimmed (2 cups)
• 2 scallions (green parts only), chopped