How Long to Cook Grilled Portobello Mushroom Caps in the cast iron
Specification: Large whole portobello mushroom caps (gills gently scraped), brushed with balsamic herb oil, seared in hot skillet
3-Step Execution Protocol
Heat cast iron skillet over 400°F (204°C) Stovetop Medium-High until lightly smoking. Prepare grilled portobello mushroom caps (Large whole portobello mushroom caps (gills gently scraped), brushed with balsamic herb oil, seared in hot skillet). Spray lightly with high-smoke-point oil.
Cook for 8–10 mins. Flip at the 5-minute mark for even browning.
Caps have collapsed slightly, sizzling in released juices with deeply browned meaty texture Rest for 1 minutes before serving.
The Mushroom Council Foodservice Technical Reference & America's Test Kitchen