Preheat oven to 400°.
Whisk together first 4 ingredients until smooth; stir in crumbled cheese.
Place ungreased popover pans in preheated oven for 5 minutes. Brush bottom and sides of pans with pan drippings. Pour batter evenly into pans using a ladle. Bake at 400° for 35 minutes or until puffed and brown.