Heat oil in a pan..add the onion n tomatoes pieces to the hot oil n stir them continously until they get well cooked...once they r done add the chopped vegetables(carrots, beans, capsicum,broccolos, zucchini r any choice of veggies)to the onion n tomatoes mixture as well as the vegetable stock..cook them in medium flame, stir them occasionally, once the vegetables r bit cooked add the cup of low fat cream n add the pepper powder n salt as per need n let them cook for a while with lid closed...stir them occasionally, keep the flame in simmer..once the vegetables r well cooked add the already cooked pastas n toss them gently until they get well mixed...put off the stove...

Sprinkle the parmesan r emmental cheese as per need on the top of the pasta n serve hot...