Authentic Belgian Meatballs in Liège Syrup Sauce (Boulets Liégeois)

📝 Ingredients

• 1 lb mixed minced meat (beef and pork (600 g))
• 1 small onion (very finely chopped)
• 1 clove garlic (minced)
• 1 egg
• 3 to 4 tbsp breadcrumbs
• 1 tbsp mustard
• 1 tbsp parsley (chopped)
• salt
• pepper
• butter or oil for browning
• 2 onions (sliced)
• 1 tbsp butter
• 1 tbs brown sugar
• 2 tbsp vinegar (apple cider or white wine vinegar)
• 2 tbsp mustard
• 4 tbsp sirop de Liège ((Liège syrup))
• 1 cup beef stock ((240 ml))
• 1 bay leaf
• a splash of beer (blond or brown (optional))

👨‍🍳 Instructions