Pre-heat oven to 400 degrees F (200 C). Sift the dry ingredients into a large bowl. Rub in the margarine. Pour in the egg and buttermilk mixture and stir well. Turn out onto a floured board and knead lightly for a minute or two. Shape into a round and flatten slightly.
Place on a baking sheet. Mark with a deep cross and bake in the oven for approximately 30-40 minutes.
Makes: 1 loaf.
Source: Irish Cookbook
Date: October 7, 2002