1. peel onion, chop coarsely. Heat fat. Sauté onion until translucent. Extinguish with red wine and vinegar and bring to a boil. 2.
Add sugar and cook at low temperature for 20-30 minutes until thick. Stir a few times. Season to taste.
Fondue”)
Our tip: Use sweet red wine for a sweet note and rather dry wine for flavorful, spicy dishes.