Foi Thong
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Foi Thong

Foi Thong is fine golden egg-yolk threads cooked in fragrant sugar syrup.

Prep30 mins
Cook30 mins
Serves2
DifficultyHard
Thai Dessert Dairy-freeGluten-freeVegetarian
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The story

Foi Thong is fine golden egg-yolk threads cooked in fragrant sugar syrup. Foi thong belongs to a family of egg-yolk sweets introduced through Portuguese contact in the Ayutthaya period and transformed within Thai court confectionery. What makes Foi Thong memorable is its combination of fine golden egg-yolk threads cooked in fragrant sugar syrup. It rewards careful heat control and balanced seasoning rather than unnecessary garnish. Foi Thong carries a stronger sense of occasion than an everyday sweet. It appears at religious observances, family celebrations or festive tables, where its colour, richness and recognisable form make it immediately meaningful.

Ingredients

2servings
  • Main ingredients
  • 10 piece yolks10 egg yolks
  • 300 gram sugar300 g sugar
  • 300 millilitre water300 ml water
  • 1 piece pandan leaf or jasmine water1 pandan leaf or jasmine water
  • 1 teaspoon neutral oil for straining cloth if needed1 tsp neutral oil for straining cloth if needed

Method

  1. Prepare the base

    Measure ingredients accurately before heating. Rinse rice, flour or starches as needed, and keep coconut milk separate from acidic or strongly coloured ingredients until the method calls for it.

    Look for: The base should look clean and evenly mixed. Tip: Use good coconut milk because it carries much of the flavour. Avoid: Do not guess starch quantities; Thai desserts rely on texture.
  2. Cook gently

    Cook over low to medium heat, usually 85-95°C, stirring often so coconut milk, syrup or batter does not catch on the base of the pan.

    Look for: Small bubbles are enough; the mixture should not boil violently. Tip: A silicone spatula helps you feel thickening at the bottom. Avoid: High heat can split coconut milk or make starches rubbery.
  3. Control texture

    For sticky rice, steam until tender; for jellies or custards, cook until set but still glossy; for pancakes, cook until edges crisp and centres stay soft.

    Look for: The texture should be distinct: tender, glossy, bouncy or creamy depending on the dessert. Tip: Resting time is part of the recipe, not optional. Avoid: Do not overcook until dry.
  4. Sweeten and season

    Balance sweetness with a small pinch of salt in coconut cream or syrup. Add pandan, palm sugar or fruit in a way that keeps the flavour clean.

    Look for: Sweetness should feel rounded, not flat. Tip: Taste syrups warm, then remember they taste slightly less sweet when chilled. Avoid: Do not skip salt in coconut desserts; it makes the coconut taste fuller.
  5. Assemble neatly

    Plate or portion while components are still workable. Keep sauces separate until serving if the dessert needs contrast.

    Look for: Layers, pieces or toppings should be tidy and glossy. Tip: Warm knife blades make cleaner cuts for layered desserts. Avoid: Do not flood the plate with sauce.
  6. Serve at the right temperature

    Serve warm, room temperature or chilled according to the dessert. Add toasted toppings, fruit or coconut cream at the last moment.

    Look for: The dessert should look fresh and hold its shape. Tip: Thai desserts are often best with a contrast of creamy, chewy and crisp textures. Avoid: Do not add crunchy toppings too early.

Nutrition

per serving

Calories360
Protein5g
Carbs62g
Fat11g
Fibre5g
Sugar28g
Salt0.4g

Estimated from typical Thai recipe portions; verify against exact brands and serving sizes before publishing formal nutrition claims.

Thai

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