First, you’ll need a round ring, about 3 inches in diametre, to use as a mould. (Tip: use PVC pipe from a plumbing store.)
On a plate, place 3 slices of cucumber, tip to tip like flower petals. Set the mould on top and place ingredients inside, one layer at a time, starting with spinach, then crab and then tomatoes. Remove ring; place crab legs on top. Drizzle with citrus honey vinaigrette. Garnish with chives or herbs.