In a mixing bowl, whisk the pumpkin purée together with the light brown sugar, eggs, Pumpkin Pie Spice, vanilla bean paste, ground cinnamon, ground nutmeg and sea salt. Add the milk, then the oats together with the baking powder. Mix to combine. Fold the dark chocolate chips.
15 oz pumpkin purée, 3.53 oz light brown sugar, 2 eggs, 1 1/2 Tbsp pumpkin pie spice, 1 tsp vanilla bean paste, 1 tsp ground cinnamon, 1/4 tsp ground nutmeg, 1/4 tsp sea salt, 12.88 oz milk, 7.05 oz old-fashioned whole rolled oats, 1 tsp baking powder, 4 oz dark chocolate chips