But spaghetti squash…well, it’s not like other squash. Step aside twice-baked potatoes, twice-baked spaghetti squash is in town. Photo by Chelsea Kyle, Prop Styling by Alex Brannian, Food Styling by Anna StockwellHow to Cook Spaghetti SquashOnce the squash is partially cooked and halved, as indicated above, line a rimmed baking sheet with parchment. Plus, in the goal of getting spaghetti squash to behave like noodles, you aren’t looking to get much browning on its surface (a little bit of browning is fine). Sprinkle about ¼ teaspoon salt across the cut surface of each half (if you have a very large squash, you might want a little more; for a small squash, a little less).