Chocolate cake with fudge icing

Ingredients

• 1 2/3 cups all-purpose flour
• 1 1/2 cups organic sugar
• 2/3 cup cocoa powder
• 1 1/2 tsp baking powder
• 1/2 cup vegetable oil
• 1 cup Natura soy or almond chocolate
• 1/2 cup water
• 2 tsp lemon juice
• 2 eggs at room temperature
• 2 tsp pure vanilla extract
• 125 g dark chocolate
• 1/3 cup cocoa powder
• 3/4 cup Natura soy or almond chocolate
• 1/2 cup unsalted butter
• 3 cups sifted icing sugar