- All-purpose flour 1 ¾ cups
- Granulated sugar 1 cup
- unsweetened cocoa 1 cup
- unsweetened cocoa 2 tsp.
- Baking soda 2 ½ tsp.
- Salt ½ tsp. • 1 kcal
- Egg whites 3 large
- low-fat buttermilk 1 cup
- apple sauce 1/2 cup
- Canola oil 2 tbsp.
- Cream Cheese 4 oz
- icing or confectioner’s sugar ¼ cup
- Cocoa powder 2 tsp
- Cream Cheese 4 oz.
- confectioners’ or icing sugar 1 1/4 cup
- Orange juice 1/2 cup
- Orange juice 2 tbsp.
- orange liqueur (optional) 2 tsp.
This rich chocolate bar cake is made with applesauce, orange juice and buttermilk instead of butter to give a low-fat version of a classic cake. Low-fat doesn’t mean low taste, though – this cake has a chocolate cream cheese filling, with a tasty chocolate orange sauce poured over the top. The filling and the sauce can be made with non-fat cream cheese if you want to keep the calories down.
This cake can be made ahead and the sauce and filling made just before serving for a dinner party showstopper, and the sauce can be made with orange liqueur for a decadent twist. Decorate with chunks of dark chocolate and a twist of fresh orange before serving.
Preheat oven to 350F/160C fan/gas mark 4. Grease a nonstick square traybake pan. Cut a square of parchment to fit into bottom of pan. Set pan aside.
In a large bowl, sift flour, sugar, 1/2 cup cocoa, baking soda, and salt; set aside.
In a medium bowl, beat egg whites until glossy and soft peaks form. Using a rubber spatula, stir buttermilk, applesauce, and oil into flour mixture until combined and batter is smooth. Fold egg whites into batter and transfer to prepared pan.
Bake cake for around 40 to 50 minutes with rack set in the middle, until a toothpick inserted into center tests clean.
Transfer pan to a wire rack and let cool for 20 minutes. Invert cake and let cool completely.
Once the cake is completely cool, make the filling. Put cream cheese, icing sugar and cocoa powder in a bowl and use a mixer to beat until smooth and creamy.
Cut cake in half and trim the edges. Spread the filling on one of the bars, then carefully place the top cake on.
Meanwhile, in a medium bowl, beat together cream cheese, confectioners' sugar, and 1/2 cup cocoa.
In a medium pot over medium-high heat, bring juice to a boil and cook until reduced by half, 2 to 3 minutes.
Add juice to cocoa mixture and stir until combined and the consistency of molasses.
Pass sauce through a fine strainer for a smooth and silky consistency. Stir in orange liqueur, if desired. Sift remaining 2 teaspoons cocoa over cake if desired and pour over the sauce.
Decorate with chunks of dark chocolate and garnish with a fresh orange slice, if you wish. Enjoy!
If you prefer, serve the cake in slices with a jug of the sauce on the side. That way people can choose if they want sauce or not.
It can be tempting, but don’t try to fill or decorate a cake until it is completely cool to the touch.