In a large bowl, stir together the flour, sugar, baking powder and cinnamon.

In a separate bowl, whisk the egg. Then add the milk, pumpkin, and oil. Combine wet mixture into the flour mixture and whisk just until smooth.

Heat a griddle over medium heat. Melt butter. Ladle about 1/3 cup sized pools of batter onto the griddle and flip once they start to form bubbles. When golden on both sides remove from heat.