bamboo - isn't a recipe as such!
cook pasta and leave to cool (or run cold water through it until cool)
add smoked mackerel chopped into chunks (could be any smoked fish or tuna or cooked chicken etc - today it is mackerel!)
add chopped vegetables raw/cooked and
cooled/as you like them (tomatoes, cucumber, sweet peppers, spring onions, mange tout, peas, sweet corn, roasted veg, whatever you like/whatever's in the fridge)
make up a dressing from balsamic vinegar, wholegrain mustard and (low-fat) natural yoghurt - not sure of quantities, just add things until it tastes right
mix together with a big spoon
(sometimes I add cubes of feta/goat's cheese. sometimes i don't)
It's good because it can stay in the fridge until people are ready to eat, then served straight away
HTH - I'm not much of a cuisiniere, sorry!