Hearty Oatmeal Pancakes

2 cups rolled oats 2 cups buttermilk or plain yogurt (I use 2 cups milk + 2 T of vinegar) The night before using, mix together in a large bowl. Cover and refrigerate overnight. 2 eggs 1/4 cup oil In the morning, stir into oat mixture. 1/2 cup flour 2 T sugar 1 t baking powder 1 t baking soda 1/2 t ground cinnamon 1/4 t salt In a small bowl mix together then add to batter and mix briefly. Fry in a hot, greased frypan.