01 -
Place sugar in a medium pot over medium heat. Cook, stirring gently, until it melts into a golden liquid, approximately 10-15 minutes.
02 -
Add butter to melted sugar and stir until combined. Pour in heavy cream, vanilla, and salt; stir vigorously until smooth. Remove from heat and cool in a bowl.
03 -
Preheat oven to 350°F. Grease a 9x9 inch baking pan with non-stick spray for easy release.
04 -
In a bowl, whisk together flour, pumpkin pie spice, baking powder, baking soda, and salt until evenly combined.
05 -
Using an electric mixer, beat softened butter and granulated sugar for about 2 minutes until light and fluffy.
06 -
Mix in eggs and vanilla extract until the mixture is smooth and pale.
07 -
Add pumpkin puree and buttermilk to the wet mixture, blending until combined.
08 -
Gently fold the dry ingredients into the wet mixture until just combined. Pour batter into the prepared pan.
09 -
Bake for 35-38 minutes or until a toothpick inserted comes out with a few moist crumbs. Cool completely on a wire rack in the pan.
10 -
Beat softened butter with an electric mixer for approximately 5 minutes until pale and fluffy.
11 -
Add cold cream cheese and whip until smooth and fully combined. Gradually sift in powdered sugar and beat until fluffy.
12 -
Separate about 1/4 cup frosting into small bowls and tint with food coloring for orange, green, and brown hues.
13 -
Once the cake is cooled, invert onto a serving plate. Using a wooden stick, poke holes evenly about every 1/2 to 1 inch across the surface.
14 -
Fill the holes with cooled salted caramel sauce using a piping bag. Spread any excess caramel evenly with an offset spatula.
15 -
Spread a thick, even layer of cream cheese frosting over the top with an offset spatula.
16 -
Pipe pumpkin shapes using colored frosting. Optionally, sprinkle chopped walnuts and dust with cinnamon for added flavor and decoration.