Egg Eggs were a method of reproduction in which the foetus developed outside the mother ' s body . According to Martha Jones , the air of Belepheron smelled like bad eggs . ( PROSE : " The Last Dodo " ) Brian Williams suggested , among other theories , that the millions of Shakri cube s that suddenly appeared on Earth were alien eggs . ( TV : " The Power of Three " ) The eggs on Metebelis III were blue . ( AUDIO : " The Man Who Wasn ' t There " ) Three bird s ' egg were part of the symbolic price for the loom used to make the first babel s . ( PROSE : " The Book of the War " ) Egg - laying species . A wide variety of creatures laid eggs , including fish , amphibian s , reptile s , birds , monotreme s , arachnids and insect s . Some specific species included : Arcturian s , ( PROSE : " Only a Matter of Time " ) Aubertide s , ( PROSE : " Human Nature " ) Bane , ( TV : " The Lost Boy " ) Centuripede , ( TV : " The Last Oak Tree " ) Chelonian s , ( PROSE : " The Highest Science " ) Chicken s , ( TV : " City of Death " ) Chimeron , ( TV : " Delta and the Bannermen " ) Gappa , ( PROSE : " Snowglobe 7 " ) Gastropod s , ( TV : " The Twin Dilemma " ) Ice Warrior s , ( PROSE : " Lucifer Rising " ) Krill , ( PROSE : " Storm Harvest " ) Kiseibya , ( AUDIO : " Enemy of the Daleks " ) Mayflies , ( TV : " Reset " ) Nostrovite s , ( TV : " Something Borrowed " ) Raxacoricofallapatorian s , ( TV : " Boom Town " ) the Process , ( PROSE : " " ) Saraani , ( PROSE : " Dry Pilgrimage " ) Silurian s , ( TV : SJAF 6 , PROSE : " Doctor Who and the Cave - Monsters " ) Viperox ( TV : " Dreamland " ) , Astro - raptor s ( COMIC : " The Egg Hunt " ) and Wirrn . ( TV : " The Ark in Space " ) Food source . Eggs were prepared and eaten as food . On Earth , chicken eggs were eaten commonly , ( PROSE : " The Death of Me " , " The Man from DOCTOR ( R ) " ) which contained yolk s . ( PROSE : " The Death of Me " ) Eggs could be prepared a number of ways : boiled , ( PROSE : " The Death of Me " , " Bide - a - Wee " ) poached , ( PROSE : " Policy to Invade " , " Six Impossible Things Before Breakfast " ) as an omelette , ( TV : " The Lodger " , PROSE : " Dead of Winter " ) pickled , ( PROSE : " The Cutty Wren " ) fried , ( PROSE : " Tragedy Day " , " " , " Dear Great Uncle Peter " ) and scrambled . ( TV : " The Nightmare Man " , AUDIO : " Project : Lazarus " ) Eggs Atlantic included two muffin s , two poached egg s , and Atlantic salmon , topped with a cream y hollandaise sauce . ( PROSE : " Policy to Invade " ) Another such dish was eggs benedict . ( PROSE : " The Dead Men Diaries " ) Ian Chesterton and Barbara Wright ate some food blocks that had been processed by the First Doctor ' s food machine to taste like bacon and eggs . ( TV : " The Dead Planet " ) Barbara ate some food blocks processed to taste like bacon and eggs , this time with brown sauce added . ( AUDIO : " 1963 " ) Upon taking Rose Tyler to see the Earth ' s destruction in the year five billion , the Ninth Doctor jokingly mentioned eggs as one of the things human ity thought would cause their extinction . ( TV : " The End of the World " ) Walker ordered a breakfast of eggs , bacon , toast , coffee , and rough - cut marmalade . ( TV : " The Sea Devils " ) While trapped in a room in the Dalek Asylum for almost a whole year , Oswin Oswald claimed she was making soufflé s . The Eleventh Doctor wondered where she got the eggs needed for baking on multiple occasions . It turned out that Oswin was a Dalek who had created a reality in her mind in which she was still human and cooked soufflés . ( TV : " Asylum of the Daleks " )