"The sticky blood used in horror films of this period became known as Kensington Gore -- a jokey reference to the London street of the same name. While Hammer's special recipe remains obscure, Mark demonstrates his own favourite method.
2 cups of Golden Syrup
1 cup of Water
10 teaspoons of Red food colouring
A few drops of Blue food colouring
A few drops of Yellow food colouring
10 tablespoons of Corn Flour
Mint flavouring -- to taste" - BBC @ YouTube