In a large bowl, combine 2 cups flour, yeast, sugar, salt and baking soda. Add warm milk and water; beat on low speed for 30 seconds, scraping bowl occasionally. Beat on high for 3 minutes., Stir in remaining flour (batter will be stiff). Do not knead. Grease two 8x4-in. loaf pans. Sprinkle pans with cornmeal. Spoon batter into the pans and sprinkle cornmeal on top. Cover and let rise in a warm place until doubled, about 45 minutes. , Bake at 375° for 35 minutes or until golden brown. Remove from pans immediately and cool on wire racks. Slice and toast.