The famous cosmonaut food in tubes is a brilliant Soviet invention, but in our time it has almost been abandoned.
Today, high-tech vacuum packaging is used.
The crew has a so-called standard diet, compiled back on Earth, based on the personal tastes of each crew member. Most of the products are canned or freeze-dried meals. Also, the families of the crew members can send the astronauts products that are not in the standard diet (sweets, cookies, etc.).
Astronauts’ canned food is almost the same as on Earth. Among them are fish, meat, and vegetable canned food. There is no sauce in astronauts’ canned food so that its droplets do not scatter all over the ship.
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Food products for astronauts belong to the category of specialized food products, as well as medical, children’s and sports.