Lighter than a cloud, this sweet cake is filled with tangy rhubarb, creating a lovely balance of tangy and sweet. Only 6 ingredients. Perfect for teatime!
Trditionally, this recipe calls for 5 or 6 eggs, no raising agents like baking powder or baking soda, the rise of the sponge comes from the air being beaten into the eggs.
This is a classic sponge cake, used in many European countries. The version that survived in Russia does not contain butter.
INGRÉDIENTS- 5 eggs
- 1 cup/ 200 g sugar
- 1 teaspoon vanilla
- 1 cup/ 120 g flour
- 1/2 teaspoon baking powder
- 2 cups/ 300 g rhubarb, chopped
PRÉPARATION- Preheat oven to 350F/180C
- Grease a 9-inch baking pan and dust with flour, set aside.
- In a large bowl, combine the room temperature egg, sugar, and vanilla. Beat with an electric mixer until thick, pale, and tripled in volume. Allow between 7 and 10 minutes depending on the power of your mixer.
- Mix the flour and baking powder, then fold them into the egg mixture in three additions using a flour sieve. Gently fold in the flour with a spatula after each addition, being careful not to deflate the batter, or the sponge will not rise.
- Gently fold in the chopped rhubarb with a spatula and place in the prepared tin.
- Bake for 40 to 45 minutes until the cake is golden brown and a cake tester comes out clean.
- Sprinkle with icing sugar before serving.