Place oven rack in a low position.
Place popover pan in oven.
Preheat oven to 450 degrees.
In a large bowl whisk together the eggs, milk, 3 tablespoons melted butter, and salt.
When well combined and no yellow streaks remaining, add inthe flour.
Stir to combine.
Fold in cheese and bacon.
Carefully remove hot popover pan from oven.
Brush each cup with remaining butter.
Using a ladle, fill each cup ¾ full of batter.
Carefully put the popover pan back in the oven.
Bake for 20 minutes.
Reduce heat to 350 degrees, without opening the oven door to check on the popovers.
Bake for an additional 12 minutes or until golden brown.
Remove from oven, and cut a small slit in each of thepopovers to help them retain their crispy texture.
Serve immediately.
In case there are any leftovers, refrigerate for up to 3days.
To reheat, place in a 325 degree oven for 8-10 minutes.