break spaghetti in half and cook as directed on package. drain

while spaghetti is warm combine with eggs and parmesan cheese

Press spaghetti into bottom and up sides of a well greased 10 inch pie plate with a spoon

Saute onions in margarine and mixed with sour cream and spread over crush

at the same time brown sausage in a large skillet. drain fat. stir in tomato paste and water bring to boil reduce heat shimmer uncovered 10 minutes stirring occasionally spoon over sour cream mixture

covered dish with foil and freeze put cheese slices in a 1 quart bag attached to side of dish

to prepare for serving thaw pie and cheese

bake uncovered in a pre heated 300°F oven for 25 minutes

arrange mozzarella slices on top return pie to oven until cheese melts