MARBLE CAKE

Preheat your oven to 180 deg C . Lightly grease a medium loaf pan and line with baking paper . Place 55gm of plain chocolate in a small bowl with 3 tbs of milk and heat in a microwave ( 10 second increments ) until the chocolate has just melted , set the aside. Cream together 70 gm of butter/ marg with 85 gm of castor sugar , until light and fluffy . In a separarte bowl beat together 1 beaten egg with 3 tbs of sour cream and slowly beat into the butter mixture . Mix together 115 gm of s.r flour with 1/2 tsp of baking powder and fold into the batter using a metal spoon . Divide the mixture in half , in one half stir the chocolate mixture through . Add 1/2 tsp of vanilla extract to the plain batter . Spoon the chocolate and vanilla mixtures alternatively into the prepared loaf pan , swirling lightly with a skewer for a marbled effect . Bake in the preheated oven for 45 minutes or until well risen and firm to the touch and a skewer coming out crumb free when inserted . Cool in the pan for 10 minutes , then turn out on to a wire rack to finish cooling .