Preheat oven to 175. Grease and flour baking tin

Sift flour, cocoa powder, baking powder. Mix and set aside

In a bowl whisk oil and sugar together. Add in eggs one by one and mix. Add in vanilla, milk and mix

Pour flour mixture into wet ingredients until just combined. Add color and mix well. Transfer to baking dish and bake for 25-30 mins. Leave to cool for at least 10mins before transferring to wire rack to cool completely