In mixing bowl, combine yeast and 1 cup bread flour. Heat water and butter to 120º to 130ºF; add to dry mixture. Beat 2 to 3 minutes on medium speed. Add lemon extract, poppy seeds, lemon zest and cake flour; beat 1 minute. By hand, stir in enough remaining bread flour to make a soft dough. Knead on floured surface about 5 minutes. Use additional bread flour if necessary.
Rising, Shaping and Baking
Place dough in lightly oiled bowl; turn to grease top. Cover; let rise until dough tests ripe. Turn dough onto lightly floured surface. Roll or pat into a 10-inch circle. Poke a hole in center of circle. Press dough into greased Bundt® or tube pan. Cover; let rise until indentation remains after lightly touching. Bake in preheated 350ºF oven 40 to 45 minutes. Let set 10 minutes in pan. Invert onto rack; remove pan; cool. If desired, drizzle with Powdered Sugar Glaze
