Fudge Ribbon Cake
["1 box chocolate cake mix", "1 (8 oz.) cream cheese, softened", "2 Tbsp. soft butter or margarine", "1 Tbsp. cornstarch", "1 (14 oz.) can Eagle Brand milk", "1 egg", "1 tsp. vanilla"]
["Preheat oven to 350\u00b0.", "Mix cake mix according to package.", "Pour into a well-greased and floured 10-inch or Bundt pan.", "Beat cheese, margarine and cornstarch until fluffy.", "Gradually beat in condensed milk, egg and vanilla.", "Pour evenly over cake batter.", "Bake 50 to 55 minutes.", "Cool 10 minutes.", "Remove from pan and cool completely. Store in refrigerator.", "You may use a chocolate glaze if desired."]
["chocolate cake mix", "cream cheese", "butter", "cornstarch", "milk", "egg", "vanilla"]