Pumpkin Spice Syrup

Ingredients
1 cup light corn syrup
1 cup water
1/2 cup brown sugar
1/2 cup butter
1/3 cup pumpkin puree
1 teaspoon ground ginger
1 teaspoon ground nutmeg
1 teaspoon ground allspice
1 teaspoon ground cinnamon

Instructions
1. Bring corn syrup, water, brown sugar, and butter to a rolling boil. 
2. Whisk pumpkin, ginger, nutmeg, allspice, and cinnamon into corn syrup mixture.
3. Cook, stirring constantly, until flavors blend, 5 to 10 minutes.