His go-to food before a concert, Rossdale revealed, is boiled eggs. "I just boil, usually, about three or four eggs, and I just let them sit in soy sauce and rice wine vinegar, a bit of mirin ...

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Now, there’s something admittedly, well, contradictory about making a hard-“boiled” egg in an air fryer—but alas, it works. And it works well. A Salon colleague, Carlyn Zwarenstein ...