Slice all the vegetables thinly and consistently as possible and lay on a dehydrator tray or oven tray.Remove the herb leaves from the stems and lay on a dehydrator tray or oven sheet.
Dry the vegetables for 7-8 hours at about 65-70 degrees celsius until completely dry.Dry the herbs for 30-60 minutes at about 65-70 degrees celsius until completely dry.
Blitz everything together in a food processor and make a powder. Store in an airtight container for up to a year. Sprinkle over roasted vegetables AFTER roasting (not during, as the powder will burn.)