In a large bowl, combine 2 cups flour, yeast, sugar, salt and baking soda. Add warm milk and water; beat on low speed 30 seconds, scraping bowl occasionally. Beat on high 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 pans and sprinkle cornmeal on top. Cover and let rise in a warm place until doubled, about 45 minutes., Preheat oven to 375°. Bake 35 minutes or until golden brown. Remove from pans to wire racks to cool.