Impossible Turkey Pie
["2 c. cut up cooked turkey", "1 (4 1/2 oz.) jar sliced mushrooms, drained (optional)", "1/2 c. sliced green onions", "1/2 tsp. salt (optional)", "1 c. shredded Swiss cheese (4 oz.)", "1 1/2 c. milk", "3/4 c. biscuit baking mix", "3 eggs"]
["Heat oven to 400\u00b0.", "Lightly grease 10-inch pie plate. Sprinkle first 5 items in pie plate.", "Beat remaining ingredients until smooth, 15 seconds in blender on high speed or 1 minute with hand beater.", "Pour into pie plate.", "Bake 30 to 35 minutes, until golden brown and knife inserted halfway between center and edge comes out clean.", "Let stand for 5 minutes before cutting. Refrigerate any remaining pie.", "Makes 6 to 8 servings."]
["turkey", "mushrooms", "green onions", "salt", "Swiss cheese", "milk", "biscuit baking mix", "eggs"]