Home brewing in the 18th century americas.

Nit pick - the end recipe is not a beer, no grains. Fermented molasses is rumbullion per https://www.thebrewsite.com/rumbullion-and-other-fermented-beverages/ (rum, no bullion, is the distilled version).

To play devils advocate, I think there should be a name for any fermented beverage that’s undistilled and under 10%