Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: To make a sponge cake,
once you have beaten your eggs, added the sugar and beaten into a light and fluffy batter, add flour with a sifter and fold the batter to mix it.
Preheat oven to 350°F (175°C). Beat eggs, sugar, and vanilla until thick and pale