Stouffer's spinach souffle', thawed
2 eggs
3 tbsp. milk
2 tsp. onion, chopped
1/2 c. mushrooms, sliced
3/4 c. Italian sausage, cooked
3/4 c. Swiss cheese
1 (9 inch) pie shell, unbaked

Mix all and put into pie shell. Bake at 400 degrees for 25 to 30 minutes.