Ingredients

  • 2 1/3 cups all-purpose flour
  • 1 1/2 cups sugar
  • 1 cup sour cream
  • 3/4 cup milk
  • 1/2 cup Land O Lakes Butter, softened
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 1/2 teaspoon baking powder
  • 2 Land O Lakes Eggs
  • 1 teaspoon vanilla
  • 1/2 cup hot fudge ice cream topping
  • 3/4 cup Land O Lakes Butter, softened
  • 4 1/2 cups powdered sugar
  • 1/3 cup unsweetened cocoa
  • 1/8 teaspoon salt
  • 1/3 cup Land O Lakes Heavy Whipping Cream
  • 2 (1-ounce) squares unsweetend baking chocolate, melted
  • 3 tablespoons light corn syrup

Method

  • Heat oven to 350F.
  • Grease 13x9-inch baking pan; set aside.
  • Combine all cake ingredients except hot fudge topping in bowl.
  • Beat at medium speed, scraping bowl often, until well mixed.
  • Reserve 1/2 cup cake batter.
  • Spread remaining batter into prepared pan.
  • Combine reserved cake batter and hot fudge topping in small bowl.
  • Drop mixture by spoonfuls evenly over batter.
  • Pull knife through batter for marbled effect.
  • Bake 40-50 minutes or until top springs back when touched lightly in center.
  • Cool completely.
  • Beat 3/4 cup butter in bowl at medium speed until creamy.
  • Gradually add powdered sugar, cocoa and 1/8 teaspoon salt alternately with whipping cream and melted chocolate, scraping bowl often, until well mixed.
  • Stir in corn syrup..