Rare, and nobody says so
Soft & chewy vs crispy gingerbread cookies
Most gingerbread bakes soft and chewy already, not crispy. If you want the snap, the one change that actually holds up is how you handle the fat and the mixing bowl, not a specific ingredient.
We ran the same texture clustering across the whole corpus and the split isn't close: 84 of 190 recipes land soft and chewy, against just 55 crispy. Two process choices, cutting cold fat into the flour and mixing dry ingredients in before wet, are the only comparisons that hold up once checked against everything else we tested on this dish. Fat and salt point the same direction but don't clear that bar yet, and this page says so rather than rounding up.
Read against 190 published gingerbread cookies recipes and 1,171 reports from cooks who changed one thing.