Boston Brown Bread
["1/2 c. rye flour or all-purpose flour", "1/2 c. corn meal", "1/2 c. whole wheat flour", "1 tsp. baking soda", "3/8 c. molasses", "1 c. sour milk or buttermilk", "shortening", "raisins and/or nuts (optional)"]
["You will need a 1 or 1 1/2-quart mold or 3 soup cans."]
["rye flour", "corn meal", "whole wheat flour", "baking soda", "molasses", "sour milk", "shortening", "raisins"]