How this unusual debittering method really works

Although this method may appear unusual or even unnecessary to some, Nik Sharma asserts that this straightforward step can eliminate all the bitterness from your homemade mayonnaise, resulting in a smooth, cohesive, and enjoyable mixture. So, what does this step actually accomplish, and why should you consider it? When hot water interacts with olive oil, it binds to soluble compounds in the oil called polyphenols, which contribute to the bitter taste of olive oil. While water at any temperature can dissolve these bitter compounds, hot water is particularly effective at completely dissolving them. Therefore, mixing boiling water with your olive oil is essential for removing its bitterness.
Since olive oil is less dense than water, it will rise to the top of your jar after shaking, making the extraction process quite simple (you'll just need to pour or spoon the oil out). However, if you're not enthusiastic about this method, there are alternative ways to reduce the bitterness in your homemade mayo as well.
Other ways to take the bitterness out of homemade mayo

If the boiling water method isn't your preferred approach, don't worry—we won't take offense. Fortunately, there are several alternatives to help you steer clear of a bitter-tasting mayonnaise. One straightforward option is to completely eliminate the olive oil from the recipe. Instead, many chefs recommend using avocado or sunflower oil, which yield a milder, less bitter flavor. Additionally, some chefs opt to blend olive oil with more neutral oils to soften its strong taste.
Another technique to mask the bitterness of the oil in homemade mayonnaise is to incorporate other ingredients. For instance, adding extra salt can help balance out the bitter notes. Lastly, consider altering your mixing method. Research from America's Test Kitchen indicates that using high-intensity methods, like a food processor, can break down the polyphenol molecules in the mayonnaise, resulting in a harsher flavor. Therefore, it's best to use a spoon or whisk for mixing this condiment.
Despite its potential bitterness, there are easy solutions to ensure your homemade mayonnaise has a pleasant flavor, and the recipe remains quite simple. Plus, store-bought mayonnaise doesn't have a long shelf life after opening, so investing a little extra time in making your own can lead to fresher, more delicious results.
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