01 -
Line a 9x13 baking dish with parchment paper, leaving extra on the sides for easy removal, and spray with non-stick cooking spray. Preheat oven to 325°F (160°C).
02 -
In a large bowl, mix eggs, sugar, and brown sugar using a hand mixer until light and fluffy. Add vanilla extract and vegetable oil, mixing until combined. Stir in pumpkin puree until fully incorporated.
03 -
In a medium bowl, whisk together baking powder, flour, pumpkin pie spice, cinnamon, and salt. Gradually add dry mixture to wet ingredients, blending with a hand mixer until batter is smooth and evenly mixed.
04 -
Pour batter into prepared baking dish and spread evenly. Bake for 30 to 45 minutes or until a toothpick inserted in the center comes out clean. Let the cake cool completely, approximately 1 hour.
05 -
Beat room-temperature butter and cream cheese in a large bowl until smooth. Gradually add powdered sugar, mixing well. Pour in heavy cream and vanilla extract, beating until fully combined. Scrape down the sides of the bowl as needed.
06 -
Spread frosting evenly over the cooled cake. Drizzle caramel sauce across the top and swirl gently with a spatula. Optionally, drizzle extra caramel and sprinkle cinnamon for garnish.
07 -
Lift the cake from the dish using parchment paper, slice into 12 pieces, and serve.