Which Liège speciality consists of two large meatballs served in a sweet-and-sour sauce made from sirop de Liège, raisins and onions?

• A Boulets à la Liégeoise ✓
• B Frikadellen
• C Königsberger Klopse
• D Polpette

Boulets à la Liégeoise are Liège meatballs in sauce lapin, a sweet-sour sauce based on pear-apple syrup.