The invention relates to an apparatus for boiling an egg, comprising a device for providing microwave radiation in a confined space, comprising a holder with at least one cavity adapted to the shape of an egg with an eggshell, said cavity provided with a first layer surrounding the eggshell, said first layer: &mdashis in heat exchanging contact with the shell of the egg &mdashhas a dielectric constant with an imaginary part, &isin&Prime, between 20-500 at a temperature between 0° C.-100° C. and at a microwave frequency of 2.45 GHz, and &mdashhaving a layer thickness d of 1-6 millimeter and varying less than 30% over the egg, or said holder for holding at least one egg assembly adapted for cooking an egg using microwave radiation.
