Mix all ingredients in a large container that has a cover. Make sure to mix well.
Cover and refrigerate overnight.
The next day, pull out the dough and sprinkle with a little flour.
Divide dough in half and form into 2 oval shaped loaves. Place on greased cookie sheets
Sprinkle with a little oats and make 3-4 slashes across the top, about 1/4 inch deep with a sharp knife.
Let this rest for 30 minutes.
Pre-heat the oven to 450 degrees and place a pan of warm water on the lowest rack while the oven is heating.
Once the oven is up to temperature, place the bread in the oven on the higher rack and bake for 35 minutes.
Cool before slicing.