If swapping traditional red tomatoes for sweeter alternatives like yellow tomatoes, how must the flavor profile be adjusted?

Answer

Slightly increase the volume of sherry vinegar or add citrus juice like lime

Modern variations involving sweeter base vegetables, such as yellow tomatoes or fruit like watermelon, disrupt the classic fat-acid-sugar balance inherent in the original recipe. When the natural acidity derived from red tomatoes is reduced due to a sweeter swap, the resulting soup risks tasting flat or overly sweet. To counteract this and maintain flavor harmony, one must actively compensate by increasing the sour elements. This is accomplished either by boosting the standard sherry vinegar slightly or by introducing a complementary acid, such as a touch of lime juice, to ensure the final blend remains bright and balanced.

If swapping traditional red tomatoes for sweeter alternatives like yellow tomatoes, how must the flavor profile be adjusted?
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