Gingery Chicken Satay with Peanut Sauce

Name: Gingery Chicken Satay with Peanut Sauce
Ingredients: 4 large shallots; 4 large garlic cloves; 2 stalks of lemongrass, bottom 6 inches only, outer leaves peeled, inner stalk cut into 1-inch pieces; 2 serrano or jalapeño chiles, stemmed and seeded; 2 tablespoons minced fresh ginger; 1 tablespoon soy sauce; 1 teaspoon ground coriander; 1 teaspoon freshly ground pepper; 3 tablespoons light brown sugar; 2 tablespoon Asian fish sauce; 2 pounds skinless, boneless chicken breasts, sliced lengthwise 1 inch thick; 3 tablespoons vegetable oil; 1 cup unsweetened coconut milk; 1/2 cup smooth peanut butter; 2 tablespoons fresh lime juice; 2 tablespoons chopped cilantro