Vanilla panna cotta with orange syrup, it uses 1L / 4 cups of juice (3-4 oranges). Juice cooked with whole coffee bean until reduction to syrup like.
Pierre Gagnaire’s orange tart : uses 2 oranges
Another vote for Moroccan salad with grated carrot, 3 oranges, with orange juice, cinnamon…
I can look for the above recipes in the books if you’re interested.
And then there is the classic French duck dish canard à l’orange.
