Rinse and clean the chicken and pat dry with a paper towel.
Place the chicken, potatoes, lemon, and garlic in a medium size bowl. Season the chicken generously with spices; Herbs de Provence salt, garlic, onion, black pepper and a touch of turmeric. Drizzle generously with olive oil and use your hands to rub the meat.
Transfer the seasoned chicken to a roasting pan and cover well. Roast the chicken in the oven for an hour. Thirty minutes into roasting, remove the cover. Grill the chicken for the last 15 minutes.