Russia · Sweet Dishes · Vegetarian

Ptichye Moloko (Bird's Milk Cake)

Name: Ptichye Moloko (Bird's Milk Cake)
Prep time: 54 min
Cook time: 126 min
Total time: 180 min
Yield: 10 servings
Cuisine: Russian
Ingredients: 200 ml milk; 100 g sugar; 20 g flour; 4 eggs; 100 g butter; 200 g sugar; 1 tsp vanilla extract; 15 g gelatin; 100 g dark chocolate; 50 g butter

An iconic Russian confection: an airy soufflé made from a custard-butter cream folded into stiff meringue and set with gelatin, covered with a glossy dark chocolate glaze. Light, almost cloud-like in texture, it is one of the most beloved Soviet-era desserts.

180 min 350 kcal 10 serves Advanced🌿Vegetarian🇷🇺Russia★★★★★4.5· 6 reviews

Ingredients

ServingsMetric

200 mlmilk
100 gsugar
20 gflour
4 eggs
100 gbutter
200 gsugar
1 tspvanilla extract
15 ggelatin
100 gdark chocolate
50 gbutter

Note from Sergei

Sergei Martynov

“Ptichye Moloko — 'Bird's Milk' — is one of Russia's most beloved confections, and the name captures the idea of something impossibly delicate and rare, like milk from a bird. The soufflé filling gets its unique texture from agar-agar, not gelatin: agar sets at room temperature and creates a clean, light snap when you bite through the chocolate shell. The soufflé base is whipped egg whites with hot agar syrup poured in — essentially an agar-stabilized meringue folded with butter cream. The chocolate coating should be thin and glossy, providing just enough resistance before giving way to the cloud-like interior. This is a confection that requires precision with temperatures: the agar syrup must be at exactly 80°C when added to the whites.”

If your soufflé doesn't set firmly enough, you likely added the agar syrup too cool (below 70°C). Agar must be boiled to activate, then maintained above 70°C until combined with the egg whites. Test a small drop on a cold plate — it should gel in 30 seconds.

Method

Soak gelatin in cold water for 10–15 minutes, then heat gently until fully dissolved. Cool to warm.
Separate eggs. Mix yolks with half the sugar (100 g) and flour. Bring milk to a boil, pour into yolks in a thin stream, whisking. Return to heat and cook, stirring, until thickened like condensed milk. Cool completely. Beat softened butter until white and fluffy, then gradually beat in the cooled custard. Add vanilla.
Beat egg whites to stiff peaks. Gradually add the remaining sugar (200 g), continuing to beat until glossy and firm. Pour in the dissolved gelatin in a thin stream, beating constantly.
Gently fold the butter-custard cream into the meringue in several additions using a spatula, working from bottom to top to preserve the airiness.
Pour into a mould and smooth the surface. Refrigerate 2–3 hours until set.
Melt chocolate with butter. Pour over the set soufflé, smooth, and chill 30 more minutes. To slice cleanly, use a hot dry knife, wiping after each cut.

FAQ

The most common reason is under-whipped egg whites. Beat them until stiff peaks form — the mass should not slide when the bowl is tilted. Also make sure there is no fat or water in the bowl, as this prevents proper whipping. Add the gelatin or agar solution in a thin stream while beating, not all at once.

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Comments (1)

Sergei Martynov✍ Author
29d ago
Ingredient temperature matters enormously for ptichye moloko. Unless the recipe says otherwise, everything should be at room temperature. Cold milk doesn't cream properly, and the texture suffers throughout.