Chocolate Mud Cake /
250 gm chocolate (125 gm dark chocolate and 125 gm milk chocolate) / 250 gm butter (if using unsalted butter, and 1/4 teaspoon salt with the butter) / 1 teaspoon instant coffee granules/powder / 3/4 cup water / 2 cups plus 2 tablespoon plain flour / 1/4 cup plus 2 teaspoon cocoa powder / 1/2 teaspoon bicarbonate of soda / 2 1/2 cups caster sugar / 4 large eggs / 2 table spoon vegetable oil 1 teaspoon vanilla extract 1/2 cup butter milk (if you do not have buttermilk, you can substitue it with: 1 table spoon vinegar add to 1/2 cup fresh milk - leave it for 5 mins)
Ganache: 150 gm milk chocolate / 150 gm dark chocolate / 1/3 cup thicken cream
Place chocolate and cream ina medium heavy-based saucepan over very low heat. Stir frequently, and remove from heat when chocolate has just melted and mixture is smooth. If necessary, allow ganache to cool slighly a room temperature to obtain a spreadable consistency.