The most extraordinary Pumpkin Cake with Caramel Cream Cheese Frosting made by preheating oven to 350°F greasing and lining two 9-inch pans whisking 2 1/2 cups flour 2 tsp pumpkin pie spice 1 1/2 tsp cinnamon 1 1/2 tsp baking powder 1 tsp baking soda and 1/2 tsp salt whisking 1 cup oil 1 cup packed brown sugar 1/2 cup granulated sugar 4 room temperature eggs 1 can 15 oz pumpkin puree and 2 tsp vanilla smooth pouring wet into dry folding just combined dividing between pans baking 28 to 32 minutes until toothpick clean cooling 10 minutes then on racks completely then beating 16 oz room temperature cream cheese and 1/2 cup room temperature butter silky smooth adding 4 to 5 cups sifted powdered sugar vanilla and salt beating incredibly fluffy adding 1/2 cup cooled caramel sauce beating beautifully incorporated assembling with frosting between and over layers drizzling additional caramel dramatically over frosted top allowing beautiful drips sprinkling optional flaky sea salt. A completely perfect moist oil pumpkin puree brown sugar pumpkin spice caramel swirl cream cheese frosting fall celebration cake recipe.