Not-so-secret Ingredient
Location
Required Items
Rewards
What the allowance actually buys
One allowance here buys 1,665,250 EXP, which places it 2nd of the 2 Lv 92 Culinarian tradecraft leves that record EXP. The best of them, Don't Knock It Till You've Tried It, returns 2,230,900 EXP for the same allowance, 34% more.
On whether to wait: the best Lv 94 Culinarian tradecraft leve returns 2,382,950 EXP per allowance, 7% more than the best on this rung, while the Lv 90 rung behind tops out at 1,713,570 EXP.
At Lv 92 this data holds 18 leves paying EXP across 2 categories: the 16 Tradecraft ones average 2,274,718 EXP per allowance, the 2 Fieldcraft ones 5,080,188 EXP, which puts this leve 27% below its own category's average.
Royal Maple Syrup ×9 is a Lv 93 Culinarian recipe, a single step, costing 18 units of raw material and 24 crystals over 3 crafts.
Handing that in returns 92,514 EXP and 141 gil for every unit of raw material the order swallows.