Step #3 In small bowl, mix ricotta or cottage cheese, egg, & 1 c mozzarella cheese.
Step #4 Layer 13X9 casserole according to the following : 1 c sauce, sauce, then layer noodles, noodles, then cheese mixture, cheese, then sauce & top this with remaining mozzarella cheese.
Step #5 Cover up with double foil wrap & freeze.
Step #6 When ready to make, thaw completely.
Step #7 Preheat oven to 400F degrees F.
Step #8 Bake for 1 hr covered, then 10-15 mins uncovered.