Colour Splash Food Colouring Gel | Christmas Red | Highly Concentrated Gels, Easy To Use Squeezy Tubes, Edible Ingredients, Transform Plain Cakes Into Bright, Eye-Catching Creations - Christmas Red 25g : Amazon.co.uk: Grocery

This is one of the best food colourings I have ever used. I managed to make four different coloured pink butter icing with this and barely used three drops.Doesn’t affect the flavour at all and the size of the tube will last me a very long timeI suggest using a tiny bit and adding more if needed to get the required colour as it is incredibly strong