About this recipe:A truly delicious chocolate digestive biscuit cake that is worth a go. You won't be disappointed! Kids and adults alike will love this cake, which is perfect with a cuppa.
6 eggs, separated
1/8 teaspoon cream of tartar
200g caster sugar
1/2 teaspoon vanilla extract
1/2 cup finely ground digestive biscuit crumbs
1 teaspoon baking powder
1/4 teaspoon salt
60g ground walnuts
120g plain chocolate chips
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Method Prep:25min › Cook:25min › Ready in:50min
In a large bowl, beat the egg whites with the cream of tartar until stiff. Gradually beat in 4 tablespoons of the sugar until the mixture is slightly glossy. Set aside.
In another large bowl, beat the egg yolks. Gradually beat in the remaining sugar until the mixture is thick and pale. Beat in the vanilla.
In another bowl, stir together the digestive biscuit crumbs, baking powder and salt. Beat into the egg yolk mixture. Stir in the walnuts and chocolate chips. Stir in about 1/3 of the egg whites to lighten the batter and then fold in the rest gently but thoroughly.
Turn the cake mixture into a greased and floured 20x30cm baking tin. Bake the cake in a preheated 180 C / Gas 4 oven for 25 to 30 minutes, or until it tests done with a skewer. Let cool on a rack.