The night before, feed sourdough starter as you normally do.
The next morning take out 1/2 cup starter for use in the muffins.
Sprinkle yeast and sugar over 1/4 cup warm water.
Allow yeast to become bubbly.
Heat milk to lukewarm, add remaining 1 cup water, sourdough starter, baking soda, salt and yeast to large mixing bowl.
Add half the flour and beat well with electric mixer or a wooden spoon.
Cover bowl and let rise to double in bulk, this depends on the weather but takes approximately 45 minutes to 1 hour.
Add melted butter and remaining flour beating and kneading thoroughly.
Cover and again allow to rise until double, approximately 45 minutes.
Turn dough out on board dusted slightly with flour and either corn meal, oat bran or wheat germ.
Flatten with rolling pin to 3/4-inch thickness.
Cut with a 2-1/2 inch diameter cutter, place on cookie sheets that have been sprayed with non-stick cooking spray.
Allow muffins to rest and rise for about 15 minutes or until light.
Spray griddle or heavy skillet with non-stick cooking spray and preheat until water sizzles when dropped on griddle.
Cook the muffins on preheated griddle for approximately 15 minutes, turning several times.
When ready to serve, split in half with fork, toast lightly and top with favorite toppings.
Note: The preparation time includes feeding the starter overnight.
