German Chocolate Cake
["1 box white cake mix", "1 (4 oz.) pkg. German chocolate", "1/2 stick butter", "1/4 tsp. salt", "3 egg whites, stiffly beaten"]
["Make up cake mix using the water and egg whites called for on the box.", "Melt chocolate and butter on low heat and add salt.", "Add chocolate mixture to cake batter.", "Gently fold in beaten egg whites.", "Bake in two greased and floured 9-inch cake pans at 350\u00b0 for 25 to 30 minutes."]
["white cake mix", "chocolate", "butter", "salt", "egg whites"]