According to the ESA, 'bonus food' is an important item for astronauts for psychological reasons

‘[It] will get pulled towards a ventilation grid and be cleaned up on the Saturday morning cleaning round,’ wrote the ESA.

‘Alternatively, it could make for a tasty snack for someone as it floats past.’

The video concludes with Samantha adding the final ingredient and wrapping the tightly packed tortilla in her hand.

She then takes a bite and gives the camera a thumb's up.

Bits of food can be seen drifting away but Samantha manages to rescue all but one piece of mackerel