Place the squash slices into a large bowl and drizzle with the oil. Add the salt and pepper, and, if using, one of the optional spice blends and mix well.
2 acorn squash, 2 tablespoons olive oil, ½ teaspoon EACH: salt and pepper, Curry - 1 teaspoon curry powder + ¼ teaspoon cayenne, Italian - 1 teaspoon Italian seasoning + ½ teaspoon garlic powder, Smoky - 1 teaspoon smoked paprika + ½ teaspoon oregano, Candied - 2 tablespoons honey + 1 teaspoon cinnamon
Lay the acorn squash on a baking sheet in a single layer, using two baking sheets, if needed. Bake the squash for 25-30 minutes, or until they are fork-tender.