Cook pasta according to package directions. , Meanwhile, cook beef and onion in a large skillet over medium heat until meat is no longer pink, breaking it into crumbles; drain. Add the vegetables, water, tomato sauce, tomato paste, sloppy joe mix, parsley and oregano. Bring to a boil. Reduce heat; simmer, uncovered, 7-9 minutes or until vegetables are crisp-tender. Drain pasta; stir into beef mixture. , Spoon half the mixture into a greased 13x9-in. baking dish. Top with cottage cheese, 3/4 cup Colby-Monterey Jack cheese and the remaining pasta mixture., Cover and bake at 350° for 25 minutes. Uncover; sprinkle with remaining Colby-Monterey Jack cheese. Bake 5-10 minutes longer or until bubbly and cheese is melted.