1/2 pound bulk pork sausage
1/4 cup chopped green pepper
2 tablespoons chopped onion
1/2 cup elbow macaroni, cooked and drained
1 (8 ounce) can tomato sauce
4 tablespoons grated Parmesan cheese, divided
2 tablespoons water
1/4 teaspoon dried oregano
In a skillet, cook sausage, green pepper and onion over medium heat until meat is no longer pink; drain. Stir in the macaroni, tomato sauce, 2 tablespoons Parmesan cheese, water, oregano and pepper.
Transfer to a lightly greased 1-qt. baking dish; sprinkle with remaining cheese. Cover and bake at 350 degrees F for 25-30 minutes or until liquid is absorbed and casserole is heated through.