01 -
Preheat oven to 350°F and spray an 18x13x1 inch sheet pan with baking spray.
02 -
In a medium bowl, whisk together flour, baking soda, pumpkin pie spice, cinnamon, salt, and nutmeg until evenly combined.
03 -
In a large bowl, whisk pumpkin puree, light brown sugar, granulated sugar, vegetable oil, eggs, and vanilla extract until smooth.
04 -
Fold dry ingredients into wet mixture until no dry patches remain and batter is uniform.
05 -
Pour batter into prepared pan, smooth the surface, and bake for 18-20 minutes until a toothpick inserted in the center comes out clean. Cool slightly.
06 -
In a small saucepan over medium-low heat, melt butter. Whisk in dark brown sugar and heavy cream, stirring constantly until mixture reaches a rolling boil. Remove from heat.
07 -
Gradually whisk in powdered sugar until fully combined. Then whisk in bourbon and vanilla extract.
08 -
Stir in toasted chopped pecans and salt to the icing mixture.
09 -
Slowly pour praline icing evenly over cake surface to edges. Spread gently with a spatula if needed. Allow icing to set about 1 hour before slicing and serving.