What are some questions about sponge cake?

Basic Properties:

* What makes a sponge cake different from other cakes?

* What is the key ingredient that makes a sponge cake rise?

* What is the role of the eggs in a sponge cake?

* What is the difference between a genoise and a sponge cake?

* How long does it take for a sponge cake to bake?

* What is the optimal temperature for baking a sponge cake?

Preparation and Techniques:

* How do you properly separate egg whites and yolks?

* What are the different techniques for whipping egg whites?

* How do you ensure a sponge cake doesn't deflate?

* How do you know when a sponge cake is done baking?

* What are some common mistakes to avoid when making a sponge cake?

Variations and Uses:

* What are some common fillings and frostings for sponge cakes?

* What are some popular desserts made with sponge cake?

* Can you make a sponge cake without gluten?

* How can you adapt a sponge cake recipe for different flavors?

* How can you store a sponge cake to maintain its freshness?

Historical and Cultural:

* When and where did sponge cake originate?

* What are some interesting historical facts about sponge cake?

* How does sponge cake differ in different cultures?

* What are some traditional sponge cake recipes from around the world?

Scientific and Culinary:

* What is the science behind the rising of a sponge cake?

* How does the ratio of ingredients affect the texture of a sponge cake?

* What are the chemical reactions involved in baking a sponge cake?

* What are the molecular gastronomy techniques that can be applied to sponge cakes?

These are just a few examples, feel free to ask more specific questions or explore further depending on your interests!