1 pkg. Stouffer's spinach souffle
2 eggs
3 tbsp. milk
2 tsp. chopped onion
1/2 c. sliced, drained mushrooms
3/4 c. cooked, crumbled Italian sausage (can substitute bacon)
3/4 c. grated Swiss cheese

Thaw spinach souffle. Mix together all ingredients. Pour into unbaked 9-inch pie shell. Bake at 400 degrees for 25 to 30 minutes.