1. Scale all ingredients accurately
2. Have all ingredients at room temperature
3. Use a good-quality, flavorless vegetable oil
4. Sift the dry ingredients, including part of the sugar, into the mixing bowl
5. Mixing with the paddle attachment at second speed, gradually add the oil, then the egg yolks and the water and liquid flavorings, all in a slow, steady stream
6. Stop the machine several times to scrape down the bowl and the beater
7. Mix until smooth, but do not over mix