Fresh barbecued crayfish - Eat Well Recipe

4Crayfish, Fresh and alive, medium size (Main)1 drizzleOlive oil, for frying½ cupFresh herbs, flat-leaf parsley, mint and basil4 TbspButter, use garlic butter if you have some1 splashLemon8 slicesWholemeal sandwich bread, fresh4 leavesLettuce2 cupsLong grain rice, steamed3 sprigsFresh mint, to garnish8 to garnishNasturtium flowers2Lemons, wedges to serve