RussiaPtichye Moloko (Bird's Milk Cake)
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.
Key Ingredients
What you'll need
Ingredients
- 200 ml
- 100 g
- 20 g
- 4
- 100 gSee recipes with butter
butter
i - 200 g
- 1 tspSee recipes with vanilla extract
vanilla extract
i - 15 gSee recipes with gelatin
gelatin
i - 100 gSee recipes with dark chocolate
dark chocolate
i - 50 gSee recipes with butter
butter
i
How to make it
Instructions
- 1
Soak gelatin in cold water for 10–15 minutes, then heat gently until fully dissolved. Cool to warm.
- 2
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.
- 3
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.
- 4
Gently fold the butter-custard cream into the meringue in several additions using a spatula, working from bottom to top to preserve the airiness.
- 5
Pour into a mould and smooth the surface. Refrigerate 2–3 hours until set.
- 6
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.
Frequently Asked Questions
Why did the Bird's Milk souffle turn out flat and not rise — what went wrong?
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.
What can replace agar-agar or gelatin in Bird's Milk — classic recipe vs. modern?
The classic Soviet recipe uses agar-agar (2–4 g per 250 ml liquid), which gives a denser, more stable texture. Modern versions often use gelatin (10–15 g) for a softer consistency. If using gelatin, do not boil the mixture after adding it — heat destroys its gelling ability. Agar sets at room temperature, gelatin requires refrigeration.
How to properly melt chocolate for Bird's Milk glaze — why does it clump?
Chocolate seizes (turns grainy and thick) when moisture gets into it. Always melt chocolate in a completely dry bowl over a water bath, making sure no steam enters. Add 1–2 tbsp of butter or cream to make the glaze smooth and glossy. Pour the warm glaze over the chilled (but not frozen) souffle for an even coat.
Can Bird's Milk cake be made without eggs — how to adapt for allergy sufferers?
Yes. Replace the whipped whites with 200 ml well-chilled coconut cream or aquafaba (liquid from chickpeas) whipped to stiff peaks. Use the same amount of sweetener and agar-agar. The texture will be slightly different — more airy and less dense — but still delicious. The sponge base can be replaced with a nut-date crust.
How long does Bird's Milk cake keep and how should it be stored?
Store Bird's Milk cake in the refrigerator, covered with cling film or in an airtight container, for up to 5 days. The cake can be frozen (without the chocolate glaze) for up to 1 month — thaw in the refrigerator overnight. Do not leave the cake at room temperature for more than 2 hours, especially in warm weather.
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