Pick the broadbeans when they're still small, and they're much less like the dried beans in texture, and more like peas or something. Both they and peas are sweeter, too, when they're eaten within an hour or less of picking. Just throw them into boiling water for literally one minute, stir fry them for about the same, or eat them raw in salads. That said, it's entirely possible you just don't like them - I hate tinned tuna, and DBf is violently sick if you feed him sprouts (even disguised or raw!).