Macaroni Chicken (Baked Pasta With Chicken)

Ingredients

• 3 tablespoons + ½ teaspoon salt, divided
• 2 onions, thinly sliced
• 1 chicken, cut into 8 pieces, skin on and bone in
• 3 tablespoons olive oil, divided
• 1 ¼ teaspoons ground pepper, divided
• 2 ½ teaspoons ground cinnamon, divided
• ¾ teaspoon ground allspice, divided
• 1 teaspoon ground paprika, divided
• 2 cloves garlic, finely chopped
• ½ cup tomato paste
• 2 tablespoons granulated sugar
• 1 pound spaghetti (or pasta of your choice)