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Thai stuffed omelette (khai yat sai)

A recipe with Egg by Connie Veneracion | November 10, 2009 (Updated: April 30, 2025)
Chopped mushrooms, vegetables, herbs and spices are sauteed, stirred into beaten eggs and poured into a hot pan. Rolling the cooked omelette into a log and cutting it into thin slices is purely optional.
A very lightly seasoned omelette, the dish comes alive when drizzled with a sweet-sour-spicy sauce, and served with fried shallots and the leaves of cilantro.
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Thai stuffed omelette (khai yat sai)
Prep Time 10 minutes minutes
Cook Time 10 minutes minutes
Total Time 20 minutes minutes
Course Breakfast, Snack
Cuisine Thai
Servings 2 people

Connie’s Notes

What makes this omelette so good? The lovely freshness of the ingredients, to start with. There is nothing in the omelette that comes out of a can. There is no pre-mixed seasoning either.
Ingredients for Thai stuffed omelette (khai yat sai) filling
There’s egg, of course. It’s an omelette after all and you can’t cook an omelette without eggs. There’s fresh shiitake, bok choy, carrot, cilantro and chilies. All parts of the cilantro are used. The stems and roots are sauteed while the leaves serve as garnish.

Ingredients

  • 4 tablespoons cooking oil - divided
  • 3 to 4 shiitake - (fresh is used here; if using dried, rehydrate in hot water for at least an hour)
  • 1 small carrot - peeled and chopped
  • 6 stalks bok choy - or pak choy
  • 1 small bunch cilantro - rinsed (stems, roots and leaves separated)
  • 1 bird’s eye chili - finely chopped
  • 3 eggs - beaten
  • salt - to taste
  • pepper - to taste
  • fried shallots - to garnish

Dipping sauce

  • 2 cloves garlic - minced
  • 2 bird’e eye chilies - thinly sliced
  • 2 tablespoons fish sauce
  • 2 tablespoons lime juice
  • 1 tablespoon sugar

Instructions
 

  1. Heat two tablespoons cooking oil in a pan, and add the carrot pieces and chili. Cook for about 30 seconds.
  2. Add the cilantro roots and stems. Cook for another 30 seconds.
  3. Next, the chopped shiitake mushrooms caps. Add to the pan and cook for another 30 seconds.
    Sauteeing mushrooms, spices and herbs
  4. Finally, add the bok choy or pak choy. Stir then remove the pan from the heat.
  5. Stir the mushroom mixture to the beaten eggs, and sprinkle in a little salt and pepper.
    Stirring sauteed mushrooms, spices and herbs into beaten eggs
  6. Reheat the remaining oil in the pan. Pour in the eggs and mushrooms and everything else. Cook over medium heat until set. DO NOT STIR.
    Cooking Thai stuffed omelette (khai yat sai)
  7. Slide the omelet onto a flat surface — like a chopping board — and cut into slices then transfer to a plate.
    Rolled Thai stuffed omelette (khai yat sai)
  8. Mix together all the ingredients for the dipping sauce. Drizzle a little over the omelette and serve the rest on the side.
  9. Sprinkle the reserved cilantro leaves on top of the omelette.
  10. Place a heap of fried shallots on the side.
  11. Serve hot. For breakfast or anytime of the day. By itself. Or with bread. Or rice.
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