For spreading on toast ovb…

125 - Pasturised Egg Yolk
37 - Worstershire Sauce
7 - Tobasco Sauce
11 - English Mustard
625 - Isle of Mull Cheddar
625 - Guiness
120 - Flour
120 - Butter

make a roux - add guiness as for voloute - then blend through all other ingredients.