These foods weren't "discovered" (like early people "discovered" some corn popped if placed near the fire) but noticed.
They sometimes washed up on the beaches of Plymouth, Massachusetts, in piles of two feet high.
These settlers approached the creatures with less than gustator enthusiasm, but the lobsters' abundance mande them fit for the tables of the poor...
75) "The American lobster (Homarus americanus) is today on of the more expensive food items on the market, owing to the difficulty of obtaining sufficeint quantities to meet the demand.
But when the first Europeans came to America, the lobster was one of the most commonly found crustaceans.
After being simmered in a brine of water and Bay salt in a fish kettle, lobsters could either be eaten immediately, or kept as long as a quarter of a year, wrapped in brine-soaked rags and buried deep in sand." (p.