Preheat oven to 400 degrees F.
Thaw the puff pastry sheet according to the package instructions
Roll pastry out on a floured surface to smooth and even out the edges
Mix the sugar and spices spice together in a small bowl
In another small mixing bowl combine, 1 simply sesame spread, pumpkin puree and
1 tablespoon sugar mixture
Spread ½ the wet mixture in a thin layer over each puff pastry
Sprinkle the flavored sugar evenly over each pastry. Reserve about 2 tablespoons for sprinkling over palmiers
Roll one side of the pastry dough to the halfway mark, and repeat with the other side.
Use a sharp knife to cut the cookies about ½ an inch thick, then place them on a parchment lined cookie sheet.
Sprinkle with any additional flavored sugar
Bake for 6-8 minutes, until slightly puffy, and remove from the oven.
Carefully flip all the cookies over, sprinkle with chopped pistachios and sesame seeds and return to the oven for 6-10 minutes, or until the center is cooked through and the edges are golden.
Remove to a wire rack to cool.