Preheat oven to 350°F. Spray standard size muffin tin with cooking spray or line them with cupcake liners.
In a mixing bowl, combine oil, sugar, eggs (or egg replacer mixture), pumpkin puree, spices, salt and baking powder. Mix until smooth.
Add the flour and mix until just combined. Do not overmix.
Fill the prepared muffin tin with the batter, filling each well until ¾th full. Bake in the preheated oven for 23-25 minutes or until a toothpick inserted in the center comes out clean.
Remove onto a cooling rack and cool completely.