Grilled Coconut Wings with Thai Peanut Dipping Sauce

Marinade:

• 2 cups coconut milk
• 1 medium onion, coarsely chopped
• 2 tablespoons crushed garlic
• 2 teaspoons ground turmeric
• 2 teaspoons red pepper flakes
• 1 teaspoon ground galangal (or 1/2 teaspoon freshly grated ginger)
• 1 tablespoon kosher salt
• 20 chicken wings, jointed
• Thai Peanut Sauce, recipe follows

Thai Peanut Sauce:

• 1/2 cup unsalted roasted peanuts
• 1 tablespoon peanut oil, plus more to taste
• 2 fresh Thai chiles or other small chiles
• 1 1/2-inch-thick slice fresh ginger
• 4 garlic cloves
• 1/3 cup canned unsweetened coconut milk
• 2 teaspoons low-sodium soy sauce
• 4 teaspoons fish sauce
• 1 teaspoon granulated sugar
• 1 tablespoon fresh lime juice
• Pinch salt (add to taste, as fish sauce can be very salty)
• 1/2 cup finely minced cilantro leaves and stems