- two batches of muffins, one made correctly, one made without baking powder
- OR you could use the image below that shows how changing one ingredient changes how cookies turn out
The first batch of muffins were light and fluffy and everyone fights for the last one. The second batch seems to be taking a long time to bake and doesn't look the same as the first. When they cool off they are hard and heavy. It is discovered that the missing ingredient, baking powder, Baking powder is the ingredient that is used in the smallest proportion when making muffins. Yet, it was of critical importance.
If you are part of an organization and think your contribution is only a tiny part, you may be underestimating your importance to the organization. You never know where your volunteer help is making a big difference to someone.