Taken from the website https://zerosucreetigbas.fr/gratin-chou-fleur-pesto-ig-bas/ This little gratin is delicious ????, and it's also gluten-free ????. Oh cauliflower and pesto, they go so well together ????. I added a little bit of cheese, but in small quantity, here I used goat cheese but you can use parmesan, gruyère... Or nothing! For my children and husband who absolutely wanted a potato gratin ????, I made a mix of half potatoes / half cauliflower in another dish.