2-32 tablespoons olive Oil 500 grams prawns, peeled, and deveined ¼ cup red bell pepper, slice in strips ¼ cup green bell pepper, slice in strips ¼ cup onion, slice in strips 1 cup prepared marinara sauce ¼ cup cilantro, chopped 2 tablespoons parmesan cheese, optional 500 grams uncooked pasta1. Cook pasta in large pot of boiling salted water until just tender but still firm to bite, stirring occasionally. Set aside.