Preheat oven to 350 degrees and mist 12 muffin cups with nonstick spray. Combine dry ingredients in mixing bowl. In separate bowl, combine wet ingredients, then pour into dry and quickly and stir together. Do not overmix. Immediately fill muffin cups, and bake about 25 minutes. Let muffins rest 3-5 minutes before removing from pan and placing on a wire rack to cool.