Selkirk Bannock. Step 1/8. Soften the butter and lard, but do not let them melt. Stir in tepid milk and set aside. Step 2/8. Mix yeast with 1/2 tsp sugar. Add the butter, lard, and milk mixture, stir well and leave the yeast to rise. Step 3/8. In the meantime, sift the flour and make a well in the center.