Step one: preheat oven to 350F Cook noodles according to package directions #2-Heat oil in a large saute pan over medium heat. Saute onion 3-4 min. add green and red pepper, garlic and zucchini; saute 3 min. #3-Stir in cumin, oregano, chili powder, salt and pepper; cook 1 min.
#4- add black beans, corn, black olives, cilantro, marinara sauce and salsa. Bring to a simmer, and cook 3 min.. remove from heat. #5- In a medium bowl, combine ricotta, mozzarella, parmesan, jack/colby egg; mix well.
#6- to assemble, spread about 1 cup of black bean mixture, into bottom of a 3qt. baking dish. Arrange 3 noodles over black bean mixture, top with 1/4 of bean mixture and sprinkle with 1/3 cheese, repeat ending with bean miture on top. #7- Cover with foil and bake 45 min. Let rest 10-15 min. before cutting. Top with sour cream and garnish with cilantro sprigs.