Chocolate Sheet Cake with Walnut Icing

    1 hour

    This is a great cake for large gatherings or potlucks because it is easily sliced and served. Enjoy!

    124 people made this

    Serves: 20 

    • 250g butter
    • 1 cup (250ml) water
    • 4 tablespoons cocoa powder
    • 2 cups (250g) plain flour
    • 2 cups (400g) white sugar
    • 1/2 teaspoon salt
    • 2 eggs
    • 1/2 cup sour cream
    • 1 teaspoon bicarb soda
    • 125g butter
    • 4 tablespoons cocoa powder
    • 5 tablespoons milk
    • 4 cups (480g) icing sugar
    • 1 teaspoon vanilla essence
    • 1 cup chopped walnuts

    Preparation:30min  ›  Cook:30min  ›  Ready in:1hour 

    1. Preheat oven to 190 degrees C. Grease a Swiss roll tin.
    2. Bring 250g butter, water and 4 tablespoons cocoa to a boil in a large saucepan. While still hot, remove from heat and add 2 cups flour, 2 cups white sugar and salt. Mix well. Beat in eggs, sour cream and bicarb soda. Do not beat too long.
    3. Pour batter into greased tin. Bake for 20 to 25 minutes or until a toothpick inserted into centre of cake comes out clean.
    4. To Make Icing: Bring 125g butter or margarine, 4 tablespoons cocoa and 5 tablespoons milk to a boil. Remove from heat. While still hot add icing sugar, vanilla and nuts. Beat well. Ice cake while icing is still hot.

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    Reviews and Ratings
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    Reviews in English (114)


    Excellent taste and texture. For those of you that are ending up with crumbly cake, you are over mixing the batter. Mix it just enought to get it all blended.  -  23 Jan 2006  (Review from Allrecipes USA and Canada)


    Have the made the same thing for many years...people love it. Some differences though, I do not use walnuts in the batter for one and bake it at 350 degrees on 11x17 cookie sheet. In the icing I use cream or half & half. Bring the icing to a gentle boils, adding the powdered sugar at the very end just before frosting the cake (which should still be warm).  -  13 Jan 2006  (Review from Allrecipes USA and Canada)


    Would you like a little cake with your frosting!?! My friend and i made this cake and hated it. the frosting was at least three times as thick as the cake. the cake turnes out extreamly dry and brittle. this also not the easiest cake to make. i would not recommend making this cake for anytype of occasion.  -  12 Aug 2003  (Review from Allrecipes USA and Canada)