Cook pasta according to directions
COLD
rinse noodles with cold water and stir ingredients with pasta together, add sauce and drain some olive oil off of the tuna if desired, flake tuna with a fork and gently add it to the dish.
HOT
If you want to serve this hot, in a skillet saute the vegetables, add the pasta and sauce and stir and then drain some olive oil off of the tuna if desired, flake tuna with a fork and gently add it to the dish.