In small bowl, soften yeast in 1/2 cup milk. Let stand for 5 minutes; add sugar; stir until yeast is dissolved.
Into mixing bowl sift 2 cups of the flour baking poweder. Add yeast and remaining milk. Stir in butter, salt, and eggs. Beat well.
Cover, and set aside in a warm place for 1 hour.
Add bread cubes and remaining flour to make a soft dough. Turn onto lightly floured bread. Knead until smooth.
Shape into 4 oblong pieces. Cover, let rise for one hour.
Gently lower oblongs into large saucepan of boiling water; cover; boil 10 minutes, turn; cover and boil 10 more minutes.