Cut the chicken thighs into 1 1/2-inch pieces and set aside.
2 pounds boneless skinless chicken thighs
In a large Dutch oven or heavy-bottomed pot, heat the oil over medium heat. Add the garam masala, paprika, cumin, turmeric, and chili powder and toast for a few seconds until fragrant.
3 Tablespoons vegetable oil, 1 Tablespoon garam masala, 1 teaspoon smoked paprika, 1/2 teaspoon cumin, 3/4 teaspoon turmeric, 1/2 teaspoon chili powder
Add the diced onion and cook, stirring occasionally, until softened and lightly golden, about 8–10 minutes.
1 large onion
Reduce the heat to low and add the ginger and garlic. Cook for 1–2 minutes until fragrant.
2 teaspoons minced ginger, 2 teaspoons minced garlic
Increase the heat to medium, add the salt and diced tomatoes and cook for 5–8 minutes, until softened and the mixture begins to thicken.
1 cup diced tomatoes, 1 1/2 teaspoons salt
Add the chicken pieces and stir to coat in the sauce. Pour in the chicken stock and stir to combine.
1/2 cup chicken stock
Cover and reduce the heat to low. Cook for 20 minutes, stirring occasionally, until the chicken is cooked through.
Remove from heat and stir in the yogurt and lemon juice until fully incorporated.
1/4 cup yogurt, 2 Tablespoons lemon juice
Serve over basmati rice and top with chopped cilantro.
Cilantro