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![Seasoned Advice](//cdn.sstatic.net/cooking/img/apple-touch-icon.png)
Are there any tell tell signs to choosing a red food colouring for red velvet cakes. Having just whipped one up, mine is sadly brown despite a bottle and half (45ml) of red food colouring.
Also can too much colouring affect the final colour the same as too little colouring?