Simple egg soup with yoghurt

What would you do with the seeds of a long, sweet yellow melon, after devouring the fruit on a hot, lazy summer afternoon? When my mother was a girl, she and the other kids were given the job of picking out the seeds, removing the fleshy strings and saving the seeds in a jar — a genius parenting method for bored children in midsummer. Then an adult would wash the seeds, dry them, toast them, then grind them into a powder, and later make a super-simple soup with them, adding the melon powder