Tagliatelle with oyster headdresses is a simple weed edibles and succulent pasta dish. Oyster headdresses are sautéed with shallots, white wine and parsley and served with fresh tagliatelle pasta.Tagliatelle with oyster headdresses is a simple weed edibles and succulent pasta dish. Oyster headdresses are sautéed with shallots, white wine and parsley and served with fresh tagliatelle pasta.