1, add lemon juice/white vinegar; when whipping egg whites/whole eggs, add a little fresh lemon juice, not only can remove the fishy smell, but also can neutralize the alkaline nature of the egg, help the egg to make more stable bubbles. If you don't have lemon juice you can also add a few drops of white vinegar to serve the same purpose. Be careful not to add too much lemon juice and white vinegar, so as not to make a cake with a pronounced sour flavor.

2, add rum; rum in baking is the role of aroma and flavor, and at the same time added to the egg white/whole egg whipped, can play the effect of fishy. Pay attention to the amount of the problem, a few drops is enough, otherwise the alcohol flavor is too heavy!

3, add vanilla extract / use vanilla sugar; vanilla extract is generally divided into natural and synthetic. It is recommended to use natural. Compared to the vanilla extract sold outside, less preservatives, more wine flavor, do the cake can also put a few drops, deodorization, fragrance, do the cake with the aroma of vanilla. Homemade vanilla extract is sugar mixed with vanilla seeds (seeds from vanilla pods). In the production of cakes, the use of vanilla sugar instead of ordinary sugar, can also play a certain role in deodorization, there is a light vanilla flavor yo. Vanilla sugar is vanilla-flavored sugar granules or powdered sugar that can be used for baking or decorating. Sometimes vanilla sugar will have a little black fine sand particles, that is the natural vanilla pod in the beans or seeds, does not affect the use.