Spinach Quiche
["1 pkg. thawed Stouffer's spinach souffle", "2 eggs", "3 Tbsp. milk", "2 tsp. chopped onions", "1/2 c. sliced, drained mushrooms", "3/4 c. Italian sausage, browned lightly and drained", "3/4 c. grated Swiss cheese"]
["Pour into a 9-inch pie shell.", "Bake at 400\u00b0 for 25 to 30 minutes."]
["souffle", "eggs", "milk", "onions", "mushrooms", "Italian sausage", "Swiss cheese"]