Preheat oven to 325 degrees Fahrenheit (165 degrees Celsius). If necessary, grease ten cups of your muffin tin with butter or non-stick cooking spray (my pan is non-stick and didn’t require any grease).In a large bowl, beat the oil and maple syrup or honey together with a whisk. Add eggs, and beat well. Mix in the pumpkin purée and milk, followed by the baking soda, vanilla extract, salt, cinnamon, ginger, nutmeg and allspice or cloves.Add the flour and oats to the bowl and mix with a large spoon, just until combined. If you’d like to add any additional mix-ins, like nuts, chocolate or dried fruit, fold them in now.Divide the batter evenly between the ten muffin cups. For these muffins, it’s ok to fill the cups a little higher than you normally would. Sprinkle the tops of the muffins with a small amount of oats, followed by a sprinkle of cinnamon. Bake muffins for 23 to 26 minutes, or until a toothpick inserted into a muffin comes out clean. Place the muffin tin on a cooling rack. These muffins are delicate until they cool down (you have been warned!), so it’s best to wait until they have cooled down to remove them from the tin. You might need to run a butter knife along the outer edge of the muffins to loosen them from the pan. Enjoy muffins as is or with a spread of nut butter or regular butter.