Perfect homemade sponge cake (without baking powder)

Sponge Cake Sizes & Baking Times

Here’s how to adjust the ingredients depending on your pan size:

15 cm (6-inch pan) – 4 Eggs

  • 4 eggs
  • 120 g flour
  • 120 g sugar
  • Bake 35–40 minutes

18 cm (7-inch pan) – 5 Eggs

  • 5 eggs
  • 150 g flour
  • 150 g sugar
  • Bake 40–45 minutes

20 cm (8-inch pan) – 6 Eggs

  • 6 eggs
  • 180 g flour
  • 180 g sugar
  • Bake 45–50 minutes

23 cm (9-inch pan) – 7 Eggs

  • 7 eggs
  • 210 g flour
  • 210 g sugar
  • Bake 50–55 minutes

25 cm (10-inch pan) – 8 Eggs

  • 8 eggs
  • 240 g flour
  • 240 g sugar
  • Bake 55–60 minutes

Final Thoughts

This no-baking-powder sponge cake is proof that simple techniques can create something truly special. Soft, airy, and endlessly versatile, it’s a recipe you’ll come back to again and again—whether you’re making a birthday cake, a fruit torte, or a layered masterpiece.

👉 Give it a try this weekend and see how easy it is to make the perfect sponge at home!