Cinnamon Shortbread

INGREDIENTS

2 cups

all-purpose flour

3 1/2 tbsp

ground Vietnamese cinnamon (available through Penzey's or King Arthur flour)

1/2 tsp

salt

1 cup

unsalted butter, softened

1/2 cup

granulated white sugar

1/4 cup

packed light brown sugar

1 tsp

vanilla extract

caramel topping, for drizzling (optional)