Chocolate Ombré Butter Cake , Recipe source: Wendyinkk’s Own Makes one 8 inch square cake 🍫🍰🍫🍰🍫🍰🍫🍰🍫🍰 Ingredients : *Cocoa paste* 25g cocoa powder 50g sugar 50g boiling water 1/2 tsp vanilla 1/3 tsp baking soda 1. Pou