Oatmeal and Chocolate Chip Sourdough Muffins

rolled oats

milk

plain yogurt (you can omit this and sub in milk if you don't have yogurt on hand)

mini chocolate chips

sourdough starter

sugar

oil (any cooking oil, melted butter or coconut oil work fine)

egg, beaten

flour

white whole wheat flour (can sub in all-purpose if you prefer)

baking powder

baking soda

cinnamon

vanilla

salt