Passum is a sweet wine made from raisins, similar to modern-day passito or straw wine. It can be substituted with high-quality raisin concentrate or a sweet red wine reduction.
Rue has a very strong, bitter, and aromatic flavor. Use fresh if possible, and be cautious with the quantity as it can overpower the dish.
This recipe is based on Apicius, Book 7, Recipe 13. Historical recipes often lack precise measurements; adjust sweetness and liquid content to taste.
The combination of sweet honey and spicy pepper was common in ancient Roman cuisine, creating a complex flavor profile.