Why the Vanilla Sponge is the Foundation of All Cakes

If you can bake a great vanilla sponge, you can bake almost anything. It's the backbone of birthday cakes, wedding tiers, and afternoon tea classics. Light, airy, and subtly sweet, a good vanilla sponge is a canvas for creativity — pile it with jam and cream, stack it into layers, or simply dust it with icing sugar.

This recipe is beginner-friendly but reliable enough for experienced bakers who want a consistent, repeatable result.

Ingredients (Makes two 20cm / 8-inch rounds)

  • 225g (1 cup) unsalted butter, softened
  • 225g (1 cup + 2 tbsp) caster sugar
  • 4 large eggs, room temperature
  • 2 tsp pure vanilla extract
  • 225g (1¾ cups) self-raising flour, sifted
  • 2 tsp baking powder
  • 4 tbsp whole milk
  • Pinch of salt

Equipment You'll Need

  • Two 20cm round cake tins, greased and lined
  • Stand mixer or hand mixer
  • Large mixing bowl
  • Cooling rack
  • Rubber spatula

Step-by-Step Instructions

  1. Preheat the oven to 180°C (160°C fan / 350°F / Gas Mark 4). Grease and line both cake tins with baking paper.
  2. Cream butter and sugar together in a large bowl using a mixer on medium-high speed for 4–5 minutes, until the mixture is pale, fluffy, and noticeably increased in volume. This step is crucial — don't rush it.
  3. Add eggs one at a time, beating well after each addition. If the mixture looks like it's beginning to curdle, add a tablespoon of flour to bring it back.
  4. Add vanilla extract and mix briefly to combine.
  5. Fold in flour and baking powder in three stages, alternating with the milk. Use a rubber spatula and a gentle figure-eight motion to preserve the air you've worked in.
  6. Divide the batter evenly between the two tins and smooth the tops with a spatula or the back of a spoon.
  7. Bake for 20–25 minutes, or until golden and a skewer inserted in the centre comes out clean.
  8. Cool in tins for 10 minutes, then turn out onto a wire rack to cool completely before filling or frosting.

Filling & Serving Suggestions

The classic Victoria sponge approach uses strawberry jam and whipped cream between the layers. But this cake takes well to:

  • Buttercream — vanilla, lemon, or chocolate
  • Lemon curd and fresh raspberries for a bright, zingy version
  • Cream cheese frosting for extra richness
  • Fresh fruit and whipped cream for a lighter finish

Tips for a Perfect Sponge Every Time

  • Room temperature matters. Cold butter won't cream properly; cold eggs can cause curdling.
  • Don't over-mix after adding flour. Overworking develops gluten, leading to a tough, dense cake.
  • Test before removing from the oven. Ovens vary — always use a skewer test rather than relying solely on timing.
  • Cool completely before filling. A warm sponge will melt buttercream and make a messy sandwich.

Once you've nailed this recipe, try flavour variations: swap 30g of flour for cocoa powder for a chocolate sponge, or add the zest of two lemons for a citrus twist. The possibilities are endless.