Allow the butter to become soft, do not melt. Place the butter and flour in a mixing bowl. Mix for 5 minutes on low speed. Add eggs one at a time blending each egg in turn on slow speed. Sift together the sugar, baking powder and salt. Add gradually to creamed mixture. Add extract. Mix 2 minutes after all the sugar mixture has been added. Turn into a greased and floured 10-inch tube cake pan. Take in a moderately slow oven for 55 minutes. Cool for 5 minutes. Invert on cake rack to cool thoroughly. Slice into thin wedges.
Oven Temperature: 325
degrees Bake Time: 55 minutes
Serves: 10