Preheat the oven to 350°F (175°C) and set out an 8×8-inch baking pan. No need to grease or lining.
In one bowl, combine the oats, pumpkin purée, brown sugar, pumpkin pie spice, egg, and salt. Mix until evenly combined.
2 Cups Oats, ½ Cup Pumpkin Puree, 1 Lrg Egg, 1 Tsp Salt, 2 Tbsp Pumpkin Pie Spice, ¼ Cup Brown Sugar
Press the mixture firmly and evenly into the prepared pan.
Spread a thin layer of pumpkin purée over the surface to help the topping stick.
2 Tbsp Pumpkin Puree
In a second bowl, rub the oats, brown sugar, pumpkin pie spice, and butter together with your fingertips until crumbly, then stir in the pecans.
½ Cup Pecans, 1 Cup Oats, ½ Cup Brown Sugar, ¼ Cup Butter, 1 Tbsp Pumpkin Pie Spice
Sprinkle this mixture evenly over the base.
Drizzle with honey if desired.
3 Tbsp Honey
Bake for 30–40 minutes, or until the topping is golden brown and the edges are set. Begin checking at 30 minutes.
Allow to cool to room temperature before slicing into squares or bars.