Spicy Chicken Curry

Ingredient:

• 1/4 cup vegetable oil, divided
• 6 pounds bone-in, skinless chicken drumsticks and thighs
• 1 teaspoon kosher salt, plus more for seasoning chicken and curry sauce
• 4 jalapeños, coarsely chopped with some seeds
• 2 dried red chiles, broken
• 2 large onions, coarsely chopped
• 8 large garlic cloves, finely chopped
• 1 (3-inch) piece of ginger, peeled and sliced crosswise into paper-thin rounds
• 2 tablespoons ground coriander
• 2 teaspoons ground cumin
• 1 1/2 teaspoons ground fenugreek seeds
• 1/2 teaspoon cinnamon
• 1/2 teaspoon ground cloves
• 1/2 teaspoon freshly grated nutmeg
• 1/2 teaspoon paprika
• 2 pounds tomatoes, chopped
• 1 cup chopped cilantro, plus cilantro leaves for garnish
• 1/2 cup plain yogurt
• 1/4 cup water, if needed
• Garam masala, for sprinkling