Heat a large skillet or ... fat. Stir in tomato sauce, tomato paste, salt, oregano, ... remaining sauce. Arrange stuffed shells on tomato sauce. Bake ... 4 to 6 servings.
In a small bowl, combine ... off tops of tomatoes and remove insides; drain well. ... 20 to 25 stuffed tomatoes. Celery or mushrooms may ... different look and taste.