In a saucepan, combine sugar and water for the pumpkin syrup.
Stir in pumpkin puree and pumpkin pie spice.
Heat over medium until the sugar dissolves, then simmer for 5 minutes.
For chai syrup, combine sugar, water, and tea bags.
Heat until sugar dissolves, steep for 5 minutes, then cool.
For crème brûlée syrup, mix sugar and water in a saucepan.
Add vanilla extract and heat until sugar dissolves.
For white chocolate sauce, heat cream in a saucepan.
Stir in white chocolate chips until melted and smooth.