Hibiscus Panna Cotta — second half, second of two panna cotta dishes presented by Cara alongside her white buttermilk version. Technique: Gelification. Cara Stadler: Buttermilk panna cotta first — which is the white one — and then there's a hibiscus to follow. Cara's run of dishes during the second half had placed her in second position overall, pushing Matt Peters out of that spot.