Belgian Meatballs in Liège Syrup Sauce

1. 1

   Make the meatballs

2. 2

   1) Mix the minced meat with the onion, garlic, egg, breadcrumbs, mustard, parsley, salt, and pepper.

3. 3

   2) Shape into meatballs. Traditionally, Liège restaurants serve **one or two very large meatballs**, depending on appetite.

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   3) For weeknight cooking, I keep mine smaller so they brown faster and cook through quickly.

5. 5

   Brown the meatballs

6. 6

   4) Heat butter or oil in a large pan.

7. 7

   5) Brown the meatballs on all sides until they have a nice crust.

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   6) Remove them from the pan and set aside.

9. 9

   Start the sauce

10. 10

    7) In the same pan, melt 1 tbsp butter.

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    8) Add the sliced onions and cook until soft and lightly caramelised.

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    9) Sprinkle in the brown sugar and let it melt into the onions.

13. 13

    Deglaze and add the stock

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    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.

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    12) Pour in the beef stock (and beer if using).

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    13) Add the bay leaf.

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    14) Stir until the syrup dissolves and the sauce looks glossy.

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    Simmer and adjust

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    15) Return the meatballs to the pan.

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    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.

    25–30 minutes
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    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.

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