Today at lunch, I ordered Ginisang Mongo, which was described on the menu as consisting of "green beans, bitter melon, spinach and shrimp". When it arrived it seemed more like lentils, bitter melon, spinach and shrimp; but as I ate it I thought, No, those don't taste quite like lentils. Could it be that they were pips of the legume we call green beans? It seems to me like shucking green beans would be (a) a huge amount of work and (b) very wasteful. If you know what the ingredient in question is, please share your knowledge.
Bonus question: is "bitter melon" actually a melon? It looks a lot like cucumber (which may for all I know be a melon) and has a flavor that knocked my socks off.