Ingredient:

• 2 tablespoons peanut oil, divided
• 1 shallot, finely chopped
• ¼ white onion, chopped
• 2 tablespoons butter
• 1 tablespoon ginger garlic paste
• 2 teaspoons lemon juice
• 2 teaspoons garam masala, divided
• 1 teaspoon chili powder
• 1 teaspoon ground cumin
• 1 bay leaf
• 1 cup tomato puree
• 1 cup half-and-half
• ¼ cup plain yogurt
• 1 pinch salt and ground black pepper to taste
• 1 pound boneless, skinless chicken thighs, cut into bite-size pieces
• ¼ teaspoon cayenne pepper, or to taste
• 1 tablespoon cornstarch
• ¼ cup water