Makes 2 loaves
Preheat oven to 450° F.
In a small saucepan, heat milk to
lukewarm. Dissolve the package active dry yeast in the warm
milk. In a large mixing bowl, add the mashed
potatoes, yeast/milk, sugar, and salt. Sift the flour 3 times and then gradually
add the flour to the potato mixture until you have added 4 cups
flour. Attach bowl and dough hook to
mixer. Turn to Speed 2 and mix until
Continue until dough clings to
hook and cleans sides of bowl, about 2 minutes. Knead on Speed 2 for 2 minutes
longer or until dough is smooth and elastic in the hands. Place in large greased bowl,
cover tightly with plastic wrap, and set in a warm place to
rise. When double in size, need again,
adding more flour is necessary.
Chop in the butter (avoiding gas
bubbles) and set bowl aside in a warm place to rise for 1 hour. Shape into loaves and place in
greased loaf pan (3-1/2 x 7-1/2 inches), half filling them with
the loaves. Grease the top of the loaves
with melted butter, let rise another hour in a warm place. When loaves have doubles in
size, put in oven and bake for 5 to 10 minutes or until loaves
begin to turn brown. Reduce heat to 350° F and bake
45 minutes to 1 hour.