The special ingredient for Mars travel meal prep? Astronaut breath
Briefly

The process produces a protein-shake like texture that can be dried and used similarly to seitan, a popular protein substitute for vegans.Air Company The ingredients for space yeast are fairly simple."Astronaut breath, water, yeast starter, electricity, a rolling pin and we can make it happen," Stafford Sheehan, a finalist in the NASA-sponsored Deep Space Food Challenge, told NPR.
Read at www.npr.org
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