Soften yeast in half cup warm water (110~). Cook onion in hot oil until tender. Combine onion, milk, parsley, sugar, salt, dillweed and sage. Stir in yeast. Beat in cornmeal. Beat in half the flour. Stir in remaining flour by hand to make a moderately soft dough. Turn out on lightly flour surface. Knead 2 to 5 minutes. Place in greased bowl, turning once to grease surface. Cover and let rise until double, about 1 hour. Punch down; divide in half. Place in 2 well-greased 16 ounce coffee cans. Cover and let rise until double, 20 to 45 minutes. Bake in 180ºC oven for 45 minutes, covering loosely with foil during last 15 minutes.