How Long to Cook Grilled Asparagus (Thick Spears) in the sheet pan
Specification: Thick-cut fresh asparagus spears (1/2-inch thick), tossed with olive oil, lemon zest, and coarse sea salt
3-Step Execution Protocol
Preheat oven to 425°F (218°C). Arrange grilled asparagus (thick spears) (Thick-cut fresh asparagus spears (1/2-inch thick), tossed with olive oil, lemon zest, and coarse sea salt) on a parchment-lined sheet pan in a single layer.
Cook for 12–15 mins. Do not flip; allow surface to develop undisturbed.
Stems are tender when pierced with a fork; tips are caramelized and nutty with vibrant emerald hue Rest for 0 minutes before serving.
California Asparagus Commission Technical Guidelines & USDA Agricultural Extension