It also bears resemblance to the custardy folded egg that's served over rice in Japan for a dish called "omurice." To make 40-second eggs, the success is in the simplicity of the details: Use a clean, ...

Consider placing the egg blanket on top of the omurice instead of wrapping it around. This approach streamlines the process, making it more straightforward and convenient.

Hard-boiling, soft-boiling or using a trendy sous vide—no matter the approach, cooking a whole egg preserves either the texture of the yolk or the white but rarely both. Now scientists think ...