To freeze dry meals for space travel, the food has to be cooked then quickly frozen and dehydrated.

要冷冻太空旅行的干粮的话，食物必须煮熟，然后快速冷冻和脱水。

They are a multi award-winning range of freeze dried meals, and what they claim to be is like scratch cooking at its absolute heart.

它们是一系列屡获殊荣的冷冻干燥食品，它们声称自己的绝对核心就是从头开始烹饪。