Soto Ayam Betawi

Name: Soto Ayam Betawi
Ingredients: 6–8 skin-on, bone-in chicken thighs (about 3 lb.); Kosher salt; 2 Tbsp. vegetable oil; 6 large shallots, 2 shallots finely chopped, 4 shallots cut into ½ pieces; 4 garlic cloves, crushed; 1 Tbsp. ground coriander; 1 tsp. ground turmeric; 3 medium tomatoes (about 1 lb.), quartered; 2 medium russet potatoes (about 1 lb.), scrubbed, cut into 1 pieces; 2 lemongrass stalks, trimmed, tough outer layers removed, bruised; 3 makrut (Thai) lime leaves; 4 cups chicken stock or low-sodium chicken broth; 1 13.5-oz. can unsweetened coconut milk; Juice of 1 makrut (Thai) lime or lime; Steamed rice and lime wedges (for serving)