Cook noodles according to package instructions

Mix together cottage cheese, parmesan cheese, ricota, eggs & parsley. Add cooked Italian sausage to spaghetti sauce in separate bowl.

In baking dish put some meat mixture on bottom, then layer of noodles, meat mix & cheese mix, keep doing until you run out of mixes.

Bake at 350 for 1 hour uncovered

Put gruyere on top and bake for 15 min (or less) till the cheese melts

Let set for 10 min before cutting.