Whisk the eggs, milk and melted butter together.
Add the flour and salt. Stir together with a spatula.
Coat the cups of a muffin pan or a popover pan with butter, and pour the matter into each one, filling it up about 3/4 of the way full.
Put the pan in the oven and turn the oven on to 400 degrees.
Bake for 30 minutes, or until the popovers of poof-y, dark and dark/golden brown.
Eat them warm with jam, butter, or any toppings of choice!