Marble Cake

Description
A truly elegant affair Try it with cream or chocolate sauce.

Ingredients

 * 8 oz / 225 g sponge mix
 * 2 eggs
 * 2 tbsp / 30 ml cocoa powder
 * juice and zest of one orange
 * 6 oz / 175 g bitter chocolate
 * 2 oz / 50 g butter
 * 3 – 4 tbsp thick cream

Directions

 * 1) Divide sponge mix between 2 bowls to one add 1 egg, cocoa and 2 – 3tbsp water.
 * 2) Beat until smooth and creamy.
 * 3) Add second egg to other bowl with the orange zest and 2 – 3 tbsp juice.
 * 4) Beat to same consistency.
 * 5) Spoon the mixtures into the microwave dish alternately, swirling the colors.
 * 6) Flatten the top and bake on high for 4-5 minutes, turning several times for ovens without turn tables.
 * 7) Leave to stand 5 – 7 minutes.
 * 8) Melt the chocolate and butter together on medium for 3 – 4 minutes, until just melted.
 * 9) Cool slightly and stir in the cream.
 * 10) Turn cake out and place on a rack over a tray.
 * 11) Coat cake generously with warm sauce, leave 3 – 4 hours to set and serve sliced.
 * 12) Keep any remaining cake well wrapped.