This hearty soup mirrors the simple yet nourishing meals the astronauts prepare in their gravity-free kitchen, bringing a touch of Earthly comfort to their routine.
In a large pot, sauté onion, garlic, carrots, and celery until soft.
Add lentils and vegetable broth, bring to a boil.
Reduce heat and simmer for 25 minutes until lentils are tender.
Season with salt and pepper before serving.