01 -
In a medium bowl, whisk together the flour, baking soda, baking powder, salt, and cinnamon.
02 -
Set your oven to 350°F (175°C) to warm up.
03 -
Beat softened butter with an electric mixer for about 30 seconds until it becomes creamy.
04 -
Add the white and brown sugars to the butter. Beat on medium speed until the mixture is light and fluffy.
05 -
Mix in the egg, pumpkin purée, and vanilla extract. Continue mixing until smooth and fully combined.
06 -
Gradually add the dry ingredients to the wet mixture, beating on low speed until just combined.
07 -
Stir in the chocolate chips evenly throughout the batter.
08 -
Spread the batter evenly in a 9"x13" baking tray.
09 -
Place the tray in the oven and bake for 35-40 minutes, or until a toothpick inserted into the center comes out clean.
10 -
Allow the blondies to cool in the pan for about 20 minutes. Slice, serve, and enjoy your new favorite fall treat!