How Long to Cook Spaghetti Squash (Halved) in the sheet pan
Specification: Spaghetti squash halved lengthwise, seeds scooped, brushed with olive oil and roasted cut-side down on parchment
3-Step Execution Protocol
Preheat oven to 400°F (204°C). Arrange spaghetti squash (halved) (Spaghetti squash halved lengthwise, seeds scooped, brushed with olive oil and roasted cut-side down on parchment) on a parchment-lined sheet pan in a single layer.
Cook for 38–45 mins. Do not flip; allow surface to develop undisturbed.
Outer rind yields to finger pressure; flesh easily shreds into translucent al-dente strands when scraped with fork Rest for 5 minutes before serving.
USDA Agricultural Research Service Winter Squash Tables & Cook's Illustrated