Vegan Chocolate Loaf Cake

• 250 ml soy milk (1 cup)
• 2 Teaspoons apple cider vinegar (sub for white vinegar or lemon juice)
• 150 g vegan margarine (~½ cup + 2 tablespoons)
• ½ Teaspoon instant coffee granules optional, this works to intensify the chocolate flavour and you won't taste the coffee at all, or espresso powder
• 250 g self-raising flour (~2 cups)
• ½ Teaspoon baking soda
• 3 Tablespoons cocoa powder
• 180 g caster sugar (¾ cup)

For the ganache:

• 150 g semi-sweet chocolate 5oz
• 60 ml soy milk (¼ cup)

To top:

• Handful of vegan chocolate chips or buttons