Original Receipt in 'The Closet Of Sir Kenelm Digby Knight, Opened ' (Digby 1669)TO BUTTER EGGS WITH CREAM
Take to a dozen of Eggs a pint of Cream; beat them well together, and put three quarters of a pound of Butter to them, and so set them on the fire to harden, and stir them, till they are as hard, as you would have them.