Dissolve yeast in warm water
Heat margarine/butter and milk to lukewarm
Mix sugar, eggs, salt, rye flour, whole wheat flour, instant potatoes, and 5 cups white flour together
Add the yeast/water and margarine/milk
Add t he remainder of the white flour until the dough is rhe right texture
Put into a greased pan and let it rise until double
Punch down and let rise again
Make into 4 loaves and allow to rise again
Bake at 425 for 25 minutes or until done
Brush with margarine, oil, or crisco