Pasta Puttanesca and Tuna

Cook pasta in a large pot of lightly salted water as package directs. Drain pasta in colander. Add pasta sauce and tuna to pasta pot. Bring to a simmer, breaking up tuna with a wooden spoon. Remove from heat. Add pasta to pot; toss to mix and coat. Transfer to a serving bowl and garnish with chopped parsley if desired. Add some crushed red pepper flakes; Use canned clams instead of tuna; Stir in some chopped fresh basil just before serving.