Large Field Mushroom Gills, Fresh & Powdered

• 4 large just-picked field mushrooms, stalks removed

Peel the mushrooms, discarding the skin. With a sharp paring knife, remove the gills by gently scraping them from the underside of the caps. Ensure none of the mushroom flesh is attached to the dark gills. Place the gills in an airtight container lined with a clean, damp kitchen cloth. Cover and refrigerate until required.

To make the powder, remove the remaining dark mushroom flesh fro