Bring large pot of water to boil and cook pasta according to package instructions, Drain.
In a large bowl, mix together the Tomato Sauce and the Crushed Tomatoes. (do not drain crushed tomatoes)
Grate Mozzarella Cheese
In a casserole dish, layer up the ingredients, starting with the sauce mixture, then the noodles, butter pats, onion salt and cheese....Repeat this step 2 or 3 times
Bake covered in oven for 45 minutes at 350 degree's
I've actually never made this recipe using store bought crushed tomatoes.....I always use canned crushed tomatoes....I'm sure store bought will be fine too!!If you run out of cheese, you can add a little pre-shredded to the top....I always run out before I get to the top layer!