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I regret not getting clearer pictures to zoom in and see the words on the instruments but I felt the need to be discreet as I was just walking by, these ocean-front home garages are rarely/NEVER left open unattended. What is this mystery chamber?
One more different angle picture in the comments, you can see the seating bench in the chamber.
They aren't everywhere, but there are "meal prep" companies that work out of local commercial kitchens and deliver full weeks of meals to your home.
Not as cheap as making it from a scratch, but cheaper than hello fresh and others, and much cheaper than uber eats.