Oxfordshire cider cake

Ingredients

• 125 gram butter
• 1/2 cup sugar
• 2 large eggs
• 1/2 cup flour
• 1/2 teaspoon ground nutmeg
• 1 teaspoon baking soda
• 1 cup cider (we used old mout cider)
• Orange icing
• 1/4 cup icing sugar
• grated rind of 1 orange
• 2 tablespoon soft butter
• orange juice, to blend