Dairy free cakes

Today G had a friend over who has a dairy free diet so when the request for cooking came my heart sank! However a quick google and I came up with a recipe for things I had in my cupboard. Here it is:

1.5 c flour
1 c sugar
1/4 cup cocoa powder
1 tsp baking soda
1/2 tsp salt
1 tsp vinegar
1 tsp vanilla
1/3 cup oil
1 c cold water

Combine ingredients and pour into cupcake cases. Bake in oven at 170'c for about 15 minutes or until a skewer comes out clean.