Popovers

Directions

1. 1
   Preheat oven to 425F.
2. 2
   Generously grease aluminum popover pans or Pyrex custard cups with softened butter Place pans in oven for exactly 2 minutes to preheat.
3. 3
   Meanwhile, whisk flour, salt, eggs, milk, and melted butter until smooth.
4. 4
   Batter will be thin.
5. 5
   Fill popover pans less than half full and bake for exactly 30 minutes.
6. 6
   Do not peek!