Red velvet cupcakes fresh out of the oven

Recipe:
http://www.redonline.co.uk/food/recipes/hummingbird-bakery-s-red-velvet-cupcakes

I used a buttermilk substitute by adding 1/2 tablespoon of vinegar to the measuring cup and filling it to 120mL with soy milk.

I used powdered food coloring and water for the paste.