Dissolve sugar in warm water in large mixer bowl. Sprinkle in yeast. Let stand 10 minutes, then stir well. Stir in warm milk, butter and beaten egg. Combine 2 cups flour, cheese and salt. Stir well to blend. Add flour cheese mixture and beat with electric mixer on medium speed for 5 minutes. Add remaining flour, beating well with wooden spoon. Cover and let rise in warm place until doubled (about 45 minutes). Stir down and turn into two well greased 1 quart casseroles. Let rise until doubled (about 30 minutes). Bake at 375 degrees for 30-40 minutes. Remove from casseroles immediately and cool on wire racks. Makes 2 round loaves. ----