Combine the first 5 ingredients in large bowl. Add butter or margarine and cut until crumbly with pastry cutter or 2 knives. Mix in currants. Beat egg mixture into dry ingredients and stir until blended. Turn out onto floured board and knead until smooth, 2-3 minutes. Divided dough in half and shape into rounds. Place each loaf in an 8" cake pan or on a cookie sheet. Press down and cut crosses on top, 1/2 inch deep. Bake at 375 degrees for 35-40 minutes.