Origin place card
Campania (regionale)
Verified history
The source places them in the Campanian Christmas tradition; no dated history is given.
Ingredients
Flour, honey, ground walnuts, ammonia.
Method
Dough kneaded, rolled and shaped (round or 'S'), then baked.
Ritual / calendar
Christmas Day morning (served with raffioli, mustaccioli, roccocò).
Why travel for it
A TIFA Christmas itinerary should not chase only famous sweets; it should include the hard, old biscuits that teach a local dialect joke.
Editorial warning
Do not over-explain the name until etymology is sourced; the dialect insult is documented, the origin of the shape is not. | History limited to its Christmas role; territory regional.
Fieldwork questions
Photograph round versus S-shaped examples; ask pastry shops whether susamielli are still eaten Christmas morning or sold throughout Advent.