-
In a small skillet over medium heat, brown the butter. The butter will melt and bubble, stir occasionally until the milk fats start to brown and smell nutty, about 5 minutes.
-
Remove from heat and let cool 15 minutes.
-
In the bowl of a stand mixer, mix together the cooled butter, brown sugar, pumpkin puree, sourdough discard, egg and vanilla for 4 minutes, until well combined and fluffy.
-
In a medium mixing bowl, whisk together the flour, 1 1/2 teaspoons pumpkin spice, salt, baking soda, and baking powder.
-
Add to the pumpkin mixture and stir until just combined.
-
Chill the dough for 1 hour.
-
Preheat oven to 350 F and prepare baking sheets.
-
In a small bowl, mix together the 1/2 cup granulated sugar and remaining 1/2 teaspoon pumpkin spice.
-
Scoop 2 Tablespoons of cookie dough directly into the cinnamon sugar and toss to coat.
-
Place cookie balls 2″ apart on baking sheet.
-
Use a glass to flatten the cookies.
-
Bake for 12-14 minutes, until set.
-
The cookies will puff while baking, re-flatten with the glass to help keep them nice and chewy.
-
Cool on the sheet for 5 minutes, then transfer to a wire rack.