Effen

"Effen" isn't a commonly used term in the culinary world, and I couldn't find any information on a specific food item by this name. It's possible that you may have misspelled the name of the dish or that it's a variation of a different dish.

Could you provide more context or details about the food item you're thinking of? For example, what type of cuisine is it, what are the ingredients, and where did you come across this term? This information will help me better understand and assist you in identifying the food item you're looking for.