6 oz wide whole wheat noodles (i used ronzoni extra wid diced1 medium yellow onion, finely diced1 red bell pepper, seeded and diced1 16oz container fat free sour cream1 28oz can diced tomatoes1/2 cup grated parmesan cheese1 1/2 cups reduced fat, shredded, sharp cheddar4 garlic cloves, minced1 tsp dried oregano1