Place ingredients except milk in a mixing bowl. Add salt and pepper to taste.
Leave fat in pan from rib roast. Heat fat to 400 in oven.
Start whisking eggs, incorporating some of the flour.
As batter gets thick, start adding milk until all the milk is incorporated. Whisk till smooth.
Pour batter into hot fat.
Place back in 400F oven. Batter will puff up. Bake till brown on top like in picture.