Belgian Meatballs in Liège Syrup Sauce
Method
- 1
Make the meatballs
- 2
1) Mix the minced meat with the onion, garlic, egg, breadcrumbs, mustard, parsley, salt, and pepper.
- 3
2) Shape into meatballs. Traditionally, Liège restaurants serve **one or two very large meatballs**, depending on appetite.
- 4
3) For weeknight cooking, I keep mine smaller so they brown faster and cook through quickly.
- 5
Brown the meatballs
- 6
4) Heat butter or oil in a large pan.
- 7
5) Brown the meatballs on all sides until they have a nice crust.
- 8
6) Remove them from the pan and set aside.
- 9
Start the sauce
- 10
7) In the same pan, melt 1 tbsp butter.
- 11
8) Add the sliced onions and cook until soft and lightly caramelised.
- 12
9) Sprinkle in the brown sugar and let it melt into the onions.
- 13
Deglaze and add the stock
- 14
10) Add the vinegar and scrape up all the browned bits from the pan.
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11) Stir in the mustard and Liège syrup.
- 16
12) Pour in the beef stock (and beer if using).
- 17
13) Add the bay leaf.
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14) Stir until the syrup dissolves and the sauce looks glossy.
- 19
Simmer and adjust
- 20
15) Return the meatballs to the pan.
- 21
16) Cover and simmer gently for 25–30 minutes (less if your meatballs are small, longer if they’re traditional large boulets). Stir occasionally and let the sauce thicken naturally.
- 22
17) Taste and adjust: more syrup for sweetness, more vinegar for tang, more mustard for depth. The sauce should be sweet‑sour, rich, and velvety.
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18) Serve with fries or mashed potatoes.
