baking sheet lined with parchment paper or foil — it’s not necessary, but it makes clean-up a snap.
roast the squash in a 350°f oven until it’s tender and the flesh easily pulls away from the outer skin when scraped with a fork. total cooking time depends on your oven and the size of your squash, but you should plan on at least 45 minutes. turn it over so the cut side is up the last 10 minutes. to save time, you can also pierce the squash all over and microwave it for about 10 minutes, flipping it halfway through.
let the squash cool until it can easily be handled, about 20 