Baguette

Taken all the way down to base materials, a batch of 3 Baguette is 2 crafting steps deep and needs 1 intermediate — Upland Wheat Flour ×2 — which resolves to 3 distinct raw materials totalling 9 units, plus 20 crystals.

That bill outweighs 5,492 of the 13,602 recipes tracked here and 644 of the 1,058 Culinarian ones, and 4,464 recipes nest deeper.

Only 13 of those crystals go into the final step; the other 7 are burned by the intermediates, so the real crystal cost is 14 Fire Crystal and 6 Water Crystal.

Every step is Culinarian work, from a Lv 74 intermediate up to the Lv 74 finish, so one class covers the whole chain.

All 3 raw materials are gathered, and one of them is time-gated: Ala Mhigan Salt Crystal (0:00, 12:00). The widest gap between consecutive opening times is 12 Eorzean hours, about 35 real-world minutes.

Baguette is itself consumed by 1 further recipe, all of them Culinarian recipes.