Although pizza can be carried to space, crispy crust pizza is not allowed because it will turn soggy due to varied temperatures.
Crackers and bread have been banned in space since they float around and can get into the eyes of the astronauts and cause damage.
Milk requires refrigeration for a longer shelf life and this facility is missing in space. Hence, astronauts prefer dehydrated milk.
Since there are no freezers, ice creams cannot be part of the pantry in space and hence, have been banned.
Cookies are likely to turn soggy and also float in space which can prove troublesome for astronauts.
Salt, pepper or any other seasonings cannot be sprinkled in space as they float and may get into someone's eyes and cause irritation.
According to reports, alcohol can destroy any equipment inside the space station and can also lead to safety risks.