Coconut Curry Mussels

Name: Coconut Curry Mussels
Ingredients: One 1 1/2-inch piece of fresh ginger, peeled; 4 garlic cloves, halved; 1/2 cup water; 1 tablespoon extra-virgin olive oil; 2 large Spanish onions, coarsely chopped; 4 jalapeños—halved, seeded and thinly sliced; 2 stalks lemongrass, inner white bulb only, thinly sliced crosswise; 2 teaspoons ground cumin; 1 teaspoon ground coriander; 1/2 teaspoon turmeric; One 12-ounce can evaporated skim milk; 1/2 cup unsweetened coconut milk; 3 pounds mussels, scrubbed and debearded; 2 tablespoons fresh lime juice; Kosher salt; 1/3 cup coarsely chopped cilantro; Lime wedges, for serving