2.) Peel apple, squash, and onion. Chop into 1” (or so) cubes. Place onto a cookie sheet and drizzle with olive oil and salt. Toss to coat. Roast in the oven until golden and slightly caramelized. If you like extra caramelization and that ‘extra roasted’ flavor, you could cook these items on your BBQ instead, or add a sprinkle of brown sugar with the olive oil and salt.