Butterscotch Filling
Steps
Melt butter.
Add sugar and allow to brown.
Gradually add water.
Beat egg yolks.
Add a small of measured milk and flour.
Stir until smooth.
Add rest of milk and salt.
Mix.
Pour this slowly into the sugar mix and cook until thick.
Cool.
Ingredients
butter, brown sugar, boiling water, egg yolks, milk, flour, salt