Be sure to scrape the bottom and sides of the bowl with a rubber scraper. When butter is used, it should be at room temperature, neither too hard nor too close to being melted. If you need to soften hard butter, do it in a microwave oven, on low, a few seconds at a time. But take care - only a few moments separate properly softened butter from unusable liquid. Mixing bowls should be cool or room temperature.
Eggs produce the best volume when used at room temperature.
Crack eggs, one at a time, into a separate bowl, then add each to batter. Mix well after each addition. Don't allow sugar to sit on egg yolks. Baking Always preheat your oven. Most cakes bake at a temperature of from 325 to 375 degrees, averaging 350.