Smetannik (Russian Sour Cream Cake)

Smetannik (from smetana, the Russian word for sour cream) is one of the most beloved homemade cakes in Russia, Ukraine and the Baltics. Soft, tender sponge layers, often alternating vanilla and chocolate, soak overnight in a light, tangy sour cream frosting until the whole cake becomes melt-in-your-mouth soft. It's not fancy or showy. It's the cake grandmas make on a Sunday, and every slice tastes like home.

Why you'll love Smetannik

• Incredibly soft and moist after resting overnight.
• Light, tangy cream, not heavy or overly sweet like buttercream.
• Simple pantry ingredients: sour cream, eggs, sugar, flour.
• Beautiful striped slices when you alternate vanilla and chocolate layers.

Ingredients (one 8-inch / 20 cm cake, serves 10–12)

For the sponge layers (make this twice: once vanilla, once chocolate)

Vanilla layer:

• 2 large eggs
• 1 cup (200 g) granulated sugar
• 1 cup (240 g) full-fat sour cream
• 1 tsp baking soda
• 2 cups (250 g) all-purpose flour
• 1 tsp vanilla extract

Chocolate layer:

• The same as above, plus 3 tbsp cocoa powder (reduce the flour by 3 tbsp)

For the sour cream frosting

• 2 1/2 cups (600 g) full-fat sour cream (at least 20% fat), cold
• 1 cup (120 g) powdered sugar
• 1 tsp vanilla extract
• 1 cup (240 ml) cold heavy cream (optional, for a more stable frosting)

To decorate: grated chocolate, crushed walnuts or fresh berries

Instructions

1. Drain the sour cream (for the frosting). Place it in a sieve lined with paper towels or cheesecloth over a bowl, and refrigerate for 2–3 hours, or overnight. This makes the frosting thick.
2. Preheat the oven to 350°F (175°C). Grease and line two 8-inch round pans.
3. Make the vanilla batter. Whisk the eggs and sugar until pale. Mix the baking soda into the sour cream (it will bubble slightly), then whisk it into the egg mixture with the vanilla. Fold in the flour.
4. Make the chocolate batter the same way, adding the cocoa with the flour.
5. Bake each layer for 25–30 minutes, until a skewer comes out clean. Cool completely.
6. Split the layers. Cut each cake horizontally in half, giving you 4 layers (2 vanilla, 2 chocolate).
7. Make the frosting. Whisk the drained sour cream with the powdered sugar and vanilla. For a sturdier frosting, whip the heavy cream to soft peaks and fold it in.
8. Assemble. Alternate vanilla and chocolate layers, spreading a generous amount of frosting on each. Cover the top and sides.
9. Rest overnight in the fridge. Decorate with grated chocolate, walnuts or berries before serving.

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Alla's tips for the perfect Smetannik

• Use full-fat sour cream. Low-fat sour cream makes a runny frosting that won't hold.
• Drain the sour cream. It's the secret to a thick, spreadable frosting.
• Be generous with the frosting. The layers are meant to soak it up and become soft.
• Overnight is essential. On day one it's a nice cake; on day two it's Smetannik.
• Add the soda to the sour cream first. The acid activates it and gives the sponge a soft, airy texture.
• Cut layers easily: chill the baked cakes for 30 minutes first, then use a long serrated knife.

Variations

• All chocolate: make both layers chocolate.
• With fruit: add sliced bananas, cherries or apricots between the layers.
• Nutty: sprinkle chopped walnuts between the layers.

Storage

Keep covered in the fridge for up to 4 days. Freeze slices for up to 1 month and thaw overnight in the fridge.

FAQ

What does Smetannik mean? It comes from smetana, the Russian word for sour cream, the star ingredient in both the sponge and the frosting.

Why is my frosting runny? The sour cream wasn't full-fat or wasn't drained. Drain it for several hours, and fold in whipped cream for extra stability.

Can I use Greek yogurt? Partly. Replace up to half the sour cream with thick Greek yogurt. All Greek yogurt makes it tangier and denser.

Do I have to rest it overnight? Yes, ideally. The layers need time to absorb the cream and soften. At least 6 hours is the minimum.

Can I make it in one pan? Yes. Bake all the batter together in a deep 9-inch springform pan for 45–55 minutes, then cut it into 3–4 layers.

How sweet is Smetannik? It's gently sweet and tangy, much lighter than buttercream cakes.

More Eastern European cakes to try

• Russian Honey Cake
• Bird's Milk Cake (Ptichye Moloko)
• Kiev Cake
• Russian Napoleon Cake

Hugs, Alla xox

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