How Long to Cook Grilled Asparagus (Thick Spears) in the cast iron
Specification: Thick-cut fresh asparagus stalks (1/2-inch thick), tossed with olive oil and coarse kosher salt
3-Step Execution Protocol
Heat cast iron skillet over 425°F (218°C) Stovetop High until lightly smoking. Prepare grilled asparagus (thick spears) (Thick-cut fresh asparagus stalks (1/2-inch thick), tossed with olive oil and coarse kosher salt).
Cook for 7–9 mins. Flip at the 4-minute mark for even browning.
Charred blistered skin along the length with juicy, tender-crisp bite throughout the thick stalk Rest for 0 minutes before serving.
California Asparagus Commission Standards & Lodge Cast Iron Vegetable Guide