Preheat oven to 375°F Combine dry ingredients in a medium mixing bowl and wet ingredients in a separate bowl. Add wet ingredients to dry and stir just until combined. Spray muffin tins (12 muffin cups total) with nonstick cooking spray. Using a large spoon or small ladle, fill muffin cups approximately O full. Bake in oven for approximately 15 minutes, until muffin tops spring back when touched in the center.