Preheat oven to 425f and set the rack to the middle level. Toss the potatoes with 6 tablespoons of olive oil and season with half of the salt and pepper. Spread the potatoes out onto a parchment paper lined backing sheet cut side down. Roast the potatoes for 30 minutes or until nicely browned on the bottom sides.
Heat a large (14-inch works well) oven-safe pan to medium heat with the remaining olive oil. Add the sausage links and sear until brown but not cooked all the way through (about 7-10 minutes total). Remove the sausage links and set aside. When the links are cool enough to handle, slice into bite-sized pieces.
Add the bell pepper slices and cook for a few minutes or until they begin to soften. Remove the peppers to the same plate with the sausage and set aside and tent with foil to keep warm.
Dry the chicken pieces very well with paper towels and season with the remaining salt and pepper on all sides. Using the same pan, sear the chicken pieces skin side down until golden and crisp then flip and cook for another 3-4 minutes. If required use a bit more olive oil for searing. Work in batches to not overcrowd the pan. Place the seared chicken pieces on a plate and tent with foil to keep warm.
If there is too much oil and fat in the pan, pour it out, leaving a 1/4 cup in the pan. Add the garlic cloves and saute until golden, then add in the cherry peppers and cook for 2 minutes.
Add the white wine and vinegar and turn the heat to high. Boil for 5-7 minutes or until the liquid reduces by half. Make sure to scrape the pan with a wooden spoon to dislodge all of the flavor bits.
Next, add in the chicken stock and bring to a boil once more and again reduce by half (about 5 minutes) then turn off the heat.
Add the bell peppers, sausage, and potatoes. Toss to coat. Nestle the chicken pieces into the pan with the skin side facing up. Spoon the sauce on top of everything then cover the pan tightly with foil. Bake for 20 minutes then remove the foil and continue to bake for another 15-20 minutes or until the chicken reaches an internal temperature of at least 185-195f.
RIght when the chicken has finished cooking, add the parsley and toss to coat. Serve immediately. Enjoy!