Here is something about the carob many do not know: because its seeds are always the same size, it has become the carat - “a unit of mass for gemstones, and of purity for gold, takes its name, indirectly, from the Greek word for a carob seed, kerátion.”

“First attested in English in the mid-15th century, the word carat comes from Italian carato, which comes from Arabic qīrāṭ قيراط, in turn borrowed from Greek kerátion κεράτιον 'carob seed',[5][6][7] a diminutive ofkeras 'horn'.[8] It was a unit of weight[9] though it was not likely used to measure gold in classical times.[5]” (Carat (mass))

To read of the carob tree and uses for its pods, you can follow this link: Ceratonia siliqua

The pods I grew and sold were used for making cooking ‘chocolate’.