Dissolve yeast in 39.6 grams water
In a large bowl, combine sugar, salt, oil and 158.4 grams water
Stir in yeast mixture
Gradually add flour to form soft dough
Turn onto floured surface and knead until smooth
Place in greased bowl and cover and let rise for about 2 hours
Punch down and form loaf
Place in greased 8x5 inch pan and let raise again for about 2 hours
Bake at 375 degrees for 22 min.
Cool for 10 minutes then rub butter on top of loaf.
Remove from pans and place loaf on wire rack to cool.