Buttercream frosting made with egg yolks

Egg yolk buttercream

Baking

The classic French butter cream: sugar cooked in a bain-marie, then poured over beaten egg yolks, whipped until cooled, and finally folded into butter cre…

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The butter cream is used to decorate and enhance pastries. This sweet version combines a cooked syrup, egg yolks, and softened butter.

Ingredients and directions

  • Prep time20 min
  • Cook time10 min
  • Resting50 min
  • Total1 hr 20 min
  • DifficultyHard
  • CostBudget
  • Cooking methodcooking in syrup
  • Estimated cost$5.88 $0.59 / serving Estimated price; varies by store. Converted from euros at the ECB rate of October 15, 2026.
  • Vegetarian
  • Gluten-free

Ingredients

10 people
  • $2.79
  • $0.19
  • $2.31
  • $0.59

Prices from US supermarkets for 3 of 4 ingredients; Belgian prices for the rest.

Directions

  1. Mix the sugar with the water. ≈ 4 min
  2. Bring to a boil and cook until it reaches 121 °C. If you don’t have a thermometer, test the syrup by dipping a fork: if it forms a thread that holds its shape, it’s ready.
  3. Separate the eggs, placing the yolks, at room temperature, in the bowl of the mixer. Gradually add the melted sugar while mixing on a low speed. ≈ 2 min
  4. Once all the sugar has been incorporated, beat at high speed until the mixture is completely cool.
  5. Gradually incorporate the butter paste in small pieces, followed by the chosen fragrance. ≈ 4 min
  6. Continue applying until you achieve a smooth and even texture. ≈ 4 min

The bill

Egg yolk buttercream

  • 8 egg yolks$2.79
  • 250 g of sugar$0.19
  • 250 g of softened butter$2.31
  • 1 teaspoon of vanilla extract (or other flavoring)$0.59

Total$5.88

that's $0.59 per person

Estimated price; varies by store.

Before you start

Ingredients

  • 8 egg yolks
  • 250 g of sugar
  • 60 ml of water
  • 250 g of softened butter
  • 1 teaspoon of vanilla extract (or other flavoring)

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