Preheat your oven to 350°F.
Prepare a muffin tin with paper cups and set aside.
In a bowl whisk together the egg, sugar, and baking powder.
Add the oil, vanilla extract, and cinnamon.
Slowly mix in the flour until fully incorporated.
With a spatula, fold in the blueberries and zucchini.
Divide the batter between the muffin cups and take to the oven.
Bake for 25 minutes or until done.