Whisk together cornmeal, flour, sugar and salt in a mixing bowl. Add eggs, sourdough starter, buttermilk, honey and cooking oil. Mix well with a spoon.
Spray a 12 cup muffin tin with cooking spray and fill cups about 1/2 full. Bake in preheated 425 degree oven for about 20 minutes until tops are good and brown. Makes 12 muffins.