Braised Peanut Chicken Curry with Thai Gremolata

Name: Braised Peanut Chicken Curry with Thai Gremolata
Ingredients: For the curry chicken:; 1/2 cup red Thai curry paste (preferably Maesri brand, if you can find it); 1/2 tablespoon peanut oil or any neutral oil; two 8-ounc cans coconut milk; 1/4 cup plus 2 tablespoons peanut butter; Juice of 1 lime or a chiffonade of 4 kaffir lime leaves (worth it if you can find them!); 1 tablespoon brown or palm sugar; 1 tablespoon fish sauce; 2 pounds boneless, skinless chicken thighs; For the Thai gremolata:; 2 small shallots, minced; 2 cloves garlic, minced; 1/2 cup roasted, salted peanuts, minced; Zest of 2 limes; 1/2 cup minced cilantro, packed