Preheat your oven to 350°F (175°C) and line a muffin tin with paper liners.

In a large bowl, whisk together the applesauce, sugar, vegetable oil, and egg until smooth.

Add the vanilla extract and mix well.

In another bowl, combine the flour, baking soda, baking powder, salt, and cinnamon.

Gradually add the dry ingredients to the wet mixture, stirring until just combined.

Using a spoon or ice cream scoop, fill each muffin cup about 2/3 full with batter.

Bake in the preheated oven for 20-25 minutes or until a toothpick comes out clean.

Allow the muffins to cool in the pan for 5 minutes, then transfer to a wire rack.

Enjoy warm or at room temperature!