8 ounces dried rotini pasta

12 ounces boneless beef sirloin steak or top round steak

1 T. cooking oil

1 26-ounce jar ripe olive and mushroom pasta sauce, ripe olive and green olive pasta sauce, or marinara pasta sauce

1/4 tsp. salt

1/4 tsp. ground cinnamon

1/2 of a 10-ounce package frozen chopped spinach, thawed and well drained

1/3 C. crumbled feta cheese

 

Cook pasta according to package directions; drain. Meanwhile, trim fat from meat. Thinly slice beef across the grain into bite-size strips. In a large skillet cook and stir beef in hot oil for 2 to 3 minutes or until desired doneness. Add pasta sauce, salt, and cinnamon. Cook and stir until sauce is bubbly. Add cooked pasta and spinach. Cook and stir until heated through. Sprinkle individual servings with feta cheese.