Dissolve yeast in the water. Stir in the salt and sugar. Stir in 1/2 cup of flour and beat until smooth. Add the eggs and butter and beat well.
 

Continue to add flour , mixing, until the dough is stiff enough to pull away from the sides of the bowl.

Turn out and knead on a floured surface, continuing to add flour until dough is not sticy.

Place in an oiled bowl, turning to oil the top.

Let rise in a warm place until doubled.

Shape into 2 loaves and place in greased loaf pans. Let rise until doubled.

Bake in a preheated 350 °F. oven for 30 minutes.

Turn out and brush tops with butter.