Preheat your oven to 350°F (175°C). As you wait, your kitchen will start to fill with the comforting aroma of warm spices. Line a muffin tin with paper liners or grease it lightly.

In a large bowl, whisk together the flour, sugar, baking powder, baking soda, salt, cinnamon, and nutmeg. Make sure everything is evenly blended.

In another bowl, combine the grated apple, diced apple, applesauce, oil, eggs, and vanilla extract. Whisk these wet ingredients together until just mixed.

Pour the wet mixture into the dry bowl. Gently stir just until the flour is incorporated—don’t overmix!

Scoop the batter into the prepared muffin tin, filling each cup about 2/3 full.

Bake in the preheated oven for about 18-22 minutes. Check doneness by inserting a toothpick into the center of a muffin; it should come out clean or with a few crumbs attached.

Cool them in the tin for a few minutes, then transfer to a wire rack to cool completely.