1/2 cup whole wheat flour
1-1/2 cup white flour
1/2 cup cooking oil
1/2 cup sugar
1/2 cup evaporated milk
1 egg
1 cup blueberries or raisins
3/4 tsp baking soda

Mix ingredients in order give. Add 3/4 cup sourdough starter, or enough to make the mixture moist and hold together. Don't beat vigorously.

Bake in greased muffin tins at 375 degrees for 30-35 minutes.