1 1/2 pound chicken drumsticks, skin off
1/2 cup rice vinegar
10 garlic cloves
1 tablespoon ginger paste
1/2 tablespoon ground cinnamon
2 green cardamom pods
1/4 teaspoon ground clove
1/2 tablespoon freshly ground black pepper
1/2 tablespoon ground cayenne pepper
1 tablespoon smoked paprika
1 teaspoon ground turmeric
1 teaspoon ground cumin
1 tablespoon ground coriander
2 tablespoons spicy brown mustard
3 Serrano chiles, roughly chopped up
1 small white onion, finely chopped
1 cup low sodium chicken broth
1/3 cup cashews, soaked in water for 2 to 3 hours
1/2 cup heavy cream
Vegetable oil, for sauteing
Kosher salt
Chopped cilantro, for garnish