In a large bowl, combine yogurt, ginger, garlic, turmeric, coriander, cumin, garam masala, and lemon juice. Add the chicken thighs and coat thoroughly. Cover and refrigerate for at least 1 hour or overnight for better result.
Preheat oven to 450 degrees F. Grease a roasting pan, line the bottom pan with foil. Arrange the chicken on the roasting pan then drizzle melted butter over chicken. Roast the chicken 35 to 45 minutes turning few times. Serve with fresh cilantro and lime wedges.
Recipe by The Gluten Free at https://www.theglutenfree.com/gluten-free-tandoori-chicken-thighs/