Preheat oven to 425 degrees F

Melt butter in cast iron skillet

Once melted add the cinnamon

Rub/coat the chicken thighs in the melted mixture

Sear the chicken skin side down for 5-8 minutes or until skin is easily removed from pan

Flip the chicken over (skin side showing) and put into preheated 425 F oven

Cook for 20 minutes. Chicken should be 165 degrees F