Pre-heat your oven to 425F.
Add the chicken to a Dutch oven. Prick the lemon with a knife in several places, and then insert the lemon in the chicken's cavity. Sprinkle the chicken with salt, pepper, smoked paprika, and garlic powder. Place the rosemary sprigs and garlic cloves around the chicken. Cut the butter into smaller slices and place it around the chicken. Pour the chicken broth into the Dutch oven. Cover and place in the oven and roast for 45 minutes.
Meanwhile, chop the oregano and tarragon and cut the potatoes into halves.
Add the cream, white wine, oregano, tarragon, and potatoes to the pot. Place it back in the oven and cook for another 45 minutes, uncovered.
Before serving, remove the rosemary sprigs. Chop the parsley, and then sprinkle it on as you're ready to dish up.
