This Pumpkin Tres Leches Cake recipe is a seasonal twist on the classic dessert. The cake is made with pumpkin puree and pumpkin pie spice for a warm and cozy flavor. To make this cake, you will need flour, sugar, eggs, baking powder, pumpkin puree, pumpkin pie spice, milk, vanilla extract, and the three types of milk for the soaking mixture. The cake is baked in a 9x13 inch pan and then soaked in the milk mixture for several hours before serving. Top with whipped cream and a sprinkle of cinnamon for a beautiful and festive dessert.