1 pkg. Stouffer's spinach souffle
2 eggs
2 tbsp. milk
3/4 c. grated Swiss cheese
2 tsp. finely chopped onions
1/2 c. sliced drained mushrooms
3/4 cooked crumbled Italian sausage
1 deep dish pie shell

Mix together all ingredients and pour into uncooked 9-inch pie shell (deep dish). Bake at 400 degrees for 25-30 minutes until knife comes out clean. Test for doneness.