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Blog & News from Icing Sugar Towers

The Key to the Best Genoise Sponge Cake

The Key to the Best Genoise Sponge Cake

The Key to the Best Genoise Sponge

Welcome to Le Dolci Culinary Classroom, where we embark on a journey through the delightful world of baking! In this blog post, we're going to explore one of the foundational elements of many exquisite desserts: the Genoise sponge. Whether you're a novice baker or a seasoned pro, understanding and mastering this versatile sponge is essential for creating mouthwatering treats. So, let's dive into the world of Genoise sponge and unlock the secrets to baking perfection.

What is a Genoise Sponge?

The Genoise sponge, pronounced "zhuh-NAWAZ," is a classic French sponge cake known for its light, airy texture and delicate flavor. Unlike other sponge cakes, Genoise is unique because it doesn't rely on chemical leavening agents like baking powder or baking soda. Instead, it rises primarily through the incorporation of air into the eggs and sugar.

Key Ingredients

1. Eggs

  • Genoise sponge is all about eggs. You'll need fresh eggs at room temperature to ensure maximum volume when whipping them. The eggs provide structure, stability, and the characteristic spongy texture.

2. Sugar

  • Granulated sugar is used to sweeten the sponge and stabilize the egg foam. It also plays a crucial role in providing structure and moisture.

3. Flour

  • Cake flour is typically used in Genoise recipes. It has a lower protein content than all-purpose flour, resulting in a softer, finer crumb.

4. Butter (optional)

  • Some Genoise recipes incorporate melted butter, which adds a hint of richness and moisture to the cake. This is common in American variations of Genoise.

The Genoise Baking Process

Preparation: Begin by preheating your oven to the desired temperature and preparing your baking pans. It's crucial to grease and line the pans properly to prevent the sponge from sticking.

Whipping Eggs and Sugar: In a mixing bowl, whisk together the eggs and sugar. This process, known as "sabering," involves beating the eggs and sugar until they become pale, thick, and triple in volume. This step is crucial, as it incorporates air into the batter, giving the Genoise its signature rise.

Sifting and Folding: Sift the cake flour (and melted butter, if your recipe calls for it) over the whipped egg mixture. Gently fold the dry ingredients into the eggs using a spatula. This must be done gently to retain the air incorporated during whipping.

Baking: Pour the batter into your prepared pans and smooth the top. Bake in the preheated oven until the Genoise is golden brown and springs back when lightly touched.

Cooling: Allow the Genoise sponge to cool in the pan for a few minutes before transferring it to a wire rack to cool completely.

Tips for Baking Success

  • Use high-quality ingredients for the best results.
  • Be patient when whipping the eggs and sugar; this step is crucial for a light and airy texture.
  • Be gentle when folding in the flour to preserve the airiness of the batter.
  • Ensure your oven is at the correct temperature for even baking.
  • Practice makes perfect. Don't be discouraged if your first Genoise isn't perfect; it takes some time to master.

Congratulations! You've just embarked on a journey to mastering the art of baking with the Genoise sponge. This versatile and delicate cake is the foundation for countless delightful desserts, from classic French pastries to modern cake creations. With the right ingredients, techniques, and a little practice, you'll be able to create exquisite Genoise-based desserts that will impress friends and family alike.

Join us at Le Dolci Culinary Classroom to explore more culinary adventures and elevate your baking skills. Stay tuned for more exciting recipes and baking tips. Happy baking!

Here is Le Dolci’s Culinary Studio’s Best Genoise Sponge Recip

Yield: 2x 6” round cakes

(or adjust cake layers to preferred height/weight and adjust bake

times accordingly)


4 eggs

125g sugar

125g flour (sifted)

30g melted butter (optional)

1 teaspoon vanilla extract (optional)


  1. Setup a bain marie (also known as a double boiler) with a pot and water filled around a third of the way. Set to low/medium heat so that the water will simmer rather than boil. The bowl resting on top of the pot should not be touching the water.
  2. Combine eggs and sugar into a bowl and whisk immediately. If you’re using a stand mixer, use the electric-mixing bowl to minimize dishes!
  3. Continuously stir the eggs and sugar with a whisk over the bain marie until the mixture reaches 110F or 43C. Make sure you stir along the bottom of the bowl!
  4. Once the mixture reaches the desired temperature, use the whisk attachment on your stand or handheld mixer to bring the mixture to ‘soft ribbon’ stage.
  5. Sift the flour and gently fold in the flour in 3-4 parts.
  6. For a richer tasting cake, add melted butter and/or vanilla extract (both optional)
  7. Portion batter into greased and lined pans. Tap the cake pan down on the table to fill in any large air pockets at the bottom of the cake and to have the batter come to level.
  8. Bake at 350F or 170C until golden brown and a skewer inserted into the middle of the cake comes out clean, ~17 minutes for 6” cake layers.
  9. Cool the cake completely then release from the pan. Decorate on the same day

or wrap cakes tightly in plastic wrap and store in the freezer (not the fridge) for up

for three months.

Some of our other Cake Decorating classes:

6 Week Online Cake and Buttercream Course

Introduction to Cake Decorating – Le Dolci 

CAKE DECORATING - Buttercream Flower Cake Class – Le Dolci

5 Day Cake Baking and Decorating Bootcamp 

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