Preheat oven to 425
Add oil to cast iron skillet and heat on medium high, brown both sides of chicken thighs about 3 to 5 minutes on each side.
Remove chicken from pans and let’s sit add butter and let melt.
Add potatoes and carrots to pan and sauté for 7 to 8 minutes season with salt and pepper, to taste.
Remove potatoes and carrots. Add garlic and onions and sauté for 3 to 4 minutes add in all of the ingredients for the sauce and bring to a boil.
Add the chicken potatoes and carrots back to the pan and bake in oven for 30 minutes