Summer fruit drizzle cake

Can substitute vanilla essence in cake mix and citrus juice in the drizzle for elderflower cordial

Used soy yoghurt instead of eggs and naturli vegan butter and it was nice?

The group really enjoyed this bake, commenting on how moist it was after an hour out of the oven. Found the first time round that the icing was very sugary so went with more of a fruity lemony topping by adding half the sugar. It wasn't as visible but I was less conscious of all the sugar. Recipe was easy to follow and there was no harm leaving whole blueberries in the mix