In a large bowl, dissolve the sugar in warm water, and then stir in yeast. Allow to proof until yeast resembles a creamy foam.

Mix salt and oil into the yeast. Mix in flour one cup at a time. Knead dough on a lightly floured surface until smooth. Place in a well-oiled bowl, and turn dough to coat. Cover with a damp cloth. Allow to rise until doubled in bulk, about 1 hour.

Punch dough down. Knead for a few minutes, and divide in half. Shape into loaves, and place into two well-oiled 9x5 inch loaf pans. Allow to rise for 30 minutes, or until dough has risen 1 inch above pans.

Bake at 350°F (175 degrees C) for 30 minutes.