Preheat oven to 450 F
Add flour to a large bowl - creating a well in the center of the flour
Add salt to the well
Gradually add the milk. Stir until smooth
Add eggs and blend well
Add melted butter. Beat until smooth
Scoop into greased muffin pan, filling each slot one-third full
Bake for approximately 25 minutes
Reduce heat to 350 F and bake for approximately 15 minutes longer or until popovers are a deep golden brown