Preheat oven to 375
Combine:
flour (not self-rising), 3 cups sifted
baking powder, 3 teaspoons
salt, 1 teaspoon
sugar, 1/4 cup
Stir in:
beer, 12 oz
melted butter, 1/4 cup (optional)
Parmesan cheese, shredded or grated, 1/4 cup (optional)
Pour into a greased loaf pan
Bake 1 hour
Cool 15 minutes