In a small bowl, mix flour, 1 tablespoon paprika and 1/2 teaspoon salt. Sprinkle over beef and toss to coat; shake off excess., In a Dutch oven, heat 1 tablespoon oil over medium heat. Brown beef in batches, adding remaining oil as needed. Remove from pan with a slotted spoon, reserving drippings in pan., Add onion and pepper to drippings; cook and stir 4-5 minutes or until tender. Stir in tomato sauce, tomatoes, broth and the remaining 1 tablespoon paprika and 3/4 teaspoon salt; bring to a boil. Reduce heat; simmer, covered, until beef is tender, 1-1/2 to 2 hours., Cook noodles according to package directions. Drain; return to pot. Add butter and toss to coat. Serve with stew. If desired, sprinkle with parsley.