Make a well in the middle and add the buttermilk and egg. Mix well with a wooden spoon until a soft, slightly wet dough is formed.
Pour the mixture into a greased loaf tin.
Run a knife along the top of the bread in the shape of a cross (lengthwise then widthwise). Sprinkle the top with oats if desired.
Bake at 400° F for 35-40 minutes. You'll know it's cooked when you tap the bottom of the bread and it sounds hollow.
Store in an airtight container or wrapped in foil. The bread will stay fresh for several days. Do not refrigerate as it will dry it out. Serve with butter and jam or whatever tickles your fancy!
Notes
If you tap the bread underneath and it sounds hollow, you know it’s fully cooked.