Steamed Shrimp with Lemongrass-Coconut Sauce

You have an aesthetic choice to make in preparing this dish, which is great as part of a cool meal in summer. Add a couple of Asian-style salads, like Tomato Salad with Ginger or Green Papaya Salad, and you’re in business. The coconut sauce, with its sugar, lemongrass, and chile—all typical Thai flavors—is wonderfully flavorful but stark white. Adding a large pinch of saffron turns it a glorious yellow and adds