World's Best Places

"SMEUS' with ROYAL BELGIAN CAVIAR at 2 Michelin star SIR KWINTEN by Chef Glenn Verhasselt

14 September 2026 · 5:09 watch

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Discover how Chef Glenn Verhasselt of the two-Michelin-starred Sir Kwinten refines the traditional Belgian 'smeus', pairing a rich buttermilk potato emulsion with Royal Belgian Caviar.

Key takeaways

  • Warming buttermilk before emulsifying it into potato starch prevents the mixture from splitting.
  • Replacing traditional grey shrimp with premium caviar provides a clean salinity that balances rich dairy fats.
  • Precise service temperatures are required to keep caviar cool while keeping the potato base warm.
  • Acidity from buttermilk is essential to cut through the starch and heavy butter components of Flemish smeus.

Traditional Belgian cuisine is built on hearty, rustic foundations, but at the two-Michelin-starred Sir Kwinten in Lennik, Chef Glenn Verhasselt demonstrates how these regional mainstays can be refined for high-end dining. His take on 'smeus'—a classic Flemish preparation of mashed potatoes whipped with buttermilk and butter—replaces the traditional grey shrimp with Royal Belgian Caviar, offering a masterclass in balancing rich dairy fats with clean, marine salinity.

Mastering the Potato Emulsion

The foundation of an exceptional smeus lies in the texture and moisture control of the potato base. Traditionally a rustic, chunky mash, Verhasselt's version focuses on achieving a smooth, velvety consistency without working the starch to the point of stickiness. This balance relies on the careful integration of warm potato with fat and acid.

Using buttermilk introduces a sharp lactic acidity that cuts through the heavy addition of butter. Chefs must be cautious when folding buttermilk into warm potatoes; adding cold liquid directly can cause the emulsion to split or drop the service temperature of the dish too quickly. Warming the buttermilk gently beforehand ensures a stable, glossy emulsion that holds its structure on the plate. The resulting potato base should be light and aerated, serving as a clean canvas for the toppings.

Temperature and Texture Contrasts

Instead of the traditional poached egg and brown shrimps, this modern interpretation pairs the acid-forward potato base with a slow-cooked egg yolk and a generous quenelleQuenelleA smooth oval dumpling made from a forcemeat, commonly fish or poultry. of Royal Belgian Caviar. The egg yolk provides a luxurious, coating mouthfeel, while the caviar delivers a clean, sharp burst of salt and umamiUmamiThe savoury taste associated with compounds such as glutamate and certain nucleotides. that cuts through the dairy.

This combination highlights the importance of temperature control during service. The potato base must be served warm enough to release its aromas and soften the butter, yet temperate enough that it does not prematurely warm the delicate caviar, which can cause its oils to bleed. It is a precise study in contrast: warm, rich potatoes against cool, saline caviar, held together by the bright acidity of Belgian buttermilk. The dish proves that humble regional cooking can find a home in fine diningFine DiningA restaurant style associated with formal service, detailed presentation and technically executed cuisine. when technical execution is flawless.

Questions from the pass

Frequently asked questions

What is traditional Belgian smeus?

Belgian smeus is a classic Flemish dish consisting of mashed potatoes mashed with buttermilk and butter, traditionally served with grey shrimps and a poached egg. At Sir Kwinten, Chef Glenn Verhasselt modernises this rustic dish by replacing the shrimp with premium Royal Belgian Caviar.

How do you prevent the buttermilk potato emulsion from splitting?

To prevent the buttermilk potato emulsion from splitting, warm the buttermilk gently before folding it into the hot potato mash. Avoid adding ice-cold dairy directly to hot starch, which shocks the mixture, and fold the liquid in slowly to maintain a stable, glossy texture.

Why is temperature control critical when serving caviar over warm potatoes?

Temperature control is essential because excessive heat will ruin the texture of the caviar, causing its outer membrane to soften and its delicate oils to bleed. The potato base must be warm but not piping hot, ensuring a stark, pleasant temperature contrast on the palate.

Can you substitute the buttermilk in a classic smeus recipe?

True Belgian smeus requires the distinct lactic acidity of buttermilk to cut through the heavy butter and potato starch. While yoghurt or sour cream can offer acidity, they lack the correct fluid consistency, making genuine buttermilk the only suitable choice for this preparation.

Original video by World's Best Places. This overview is written independently by The Chef's Circle editorial desk — watch the original on YouTube.

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