Preheat your oven to 350 degrees Fahrenheit (175 degrees Celsius). Prepare a 12-cup muffin tin with paper liners.
To a large bowl, add the pumpkin, applesauce, brown sugar, eggs, vanilla and canola oil. Whisk these ingredients together with a wire whisk until they're combined.
To the wet ingredients, add the flour, oats, baking soda, salt and spices. Mix the dry ingredients together a little bit with your fingers before using a rubber spatula to fold the dry ingredients into the wet ingredients. Don't over-mix here, but stop as soon as you see the flour disappear.
Spoon the batter evenly into the 12 muffin cups you've prepared with paper liners. Sprinkle a few oats and a few pumpkin seeds onto the top of each muffin before putting them in the oven to bake.
Bake the muffins for 17-19 minutes at 350 degrees Fahrenheit (175 degrees Celsius) or until the tops lose their shine and they bounce back to the touch.
Let the muffins cool in the tin for 5-10 minutes before removing them from the tin onto a wire rack to cool completely before enjoying!