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How Long to Cook Asparagus 🥬
Asparagus cook time is almost entirely about spear thickness. Pencil-thin spears cook in half the time of thick ones. Done means a knife slides through the stem with no resistance.
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Frequently Asked Questions
How long does asparagus take in the air fryer?
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Asparagus takes 6–10 minutes at 400°F in the air fryer depending on spear thickness. Pencil-thin spears 6 minutes, medium 8, thick 10.
What temperature do you roast asparagus at?
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Roast asparagus at 425°F for 10–15 minutes. Toss with oil and salt, spread in a single layer, and no flipping is needed.
How do I know asparagus is done?
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A knife should slide through the thickest part of the stem with no resistance. The color deepens to a vivid green with caramelized tips when roasted or grilled.
Should I peel asparagus before cooking?
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Only very thick spears benefit from peeling the lower third. Pencil-thin and medium spears do not need peeling — just snap off the woody bottom inch.