4large carrotspeeled and chopped into 1-inch pieces
Arrange the rack in the middle of the oven. Preheat the oven to 400°F.
Place chicken in a roasting pan or baking dish. In a small bowl, mix together olive oil or butter, half of the garlic salt, and mashed garlic. Rub generously over the entire chicken, including under the skin of the breast. Season entire chicken generously with half of the sea salt and half of the paprika.
Roast for 30 minutes. Reduce oven temperature to 350°F. Pull out the pan and scatter onions, potatoes, and carrots around the chicken and season with remaining garlic salt, sea salt, and paprika. Roast for about 1 hour, until the chicken is cooked through. If the chicken is getting too brown, cover loosely with foil.
Let chicken sit for 15 minutes before carving. Serve with vegetables.
Reserve 2 cups of chicken and 1-2 cups vegetables for meal 2.