Step #3 In a bowl, salt, baking powder, whisk flour, sugar, & pepper; set aside.
Step #4 In another bowl, whisk the egg, melted butter, & mustard until mixed.
Step #5 Gently whisk in the beer until the foaming subsides, then add the cheese.
Step #6 Finally, stir in the the flour mixture with a wooden spoon until moistened.
Step #7 Fill prepared muffin tins ¾ full; bake 20 mins or until muffins have lumpy brown tops & a pick comes out almost clean.
Step #8 Set pan on a wire rack to cool for 10 mins; carefully tip each muffin to one side to make sure it’s not stuck (carefully rock back & forth to release it); remove muffins from pan & cool for 5 mins on wire rack.
Step #9 *Beer Blue Cheese Muffins—decrease Cheddar to ¾ c & add ½ c crumbled blue cheese, such as Gorgonzola or Stilton, with the remaining cheese; proceed as directed.
Step #10 *Beer Caraway Muffins—Add 1 tbsps caraway seeds with the flour; proceed as directed.
Step #11 *Beer Celery Seed Muffins—add 1 tbsp celery seeds with the flour; proceed as directed.
Step #12 *Cider Muffins: substitute hard cider for the beer; proceed as directed.