½cupicing sugaralso known as confectioner's sugar or powdered sugar
½tspvanilla extract
1tbspmilk
⅛tspsaltor to taste
Instructions
Preheat the oven to 350 degrees. Line an 8×8 cake pan with parchment paper, with enough to hang over the edges. Add the brown sugar, eggs, and vanilla to the bowl of your stand mixer equipped with the whisk attachment. Beat on medium-high for 5-7 minutes, or until a thick, pale mixture has formed.
Reduce the speed to medium-low and slowly pour the butter into the mixer. Continue to mix until everything is well combined.
Whisk the flour, baking powder, and salt together in a separate bowl. Add the dry ingredients to the wet ingredients and mix on medium speed until just combined. Scrape down the sides of the bowl with a spatula and fold until you see no more flour.
Spread the blondie batter into your prepared cake pan. Add the cinnamon swirl ingredients to a bowl and whisk until the sugar has mostly dissolved. You can warm it in the microwave to help the sugar dissolve. Spoon the mixture over the blondie batter and swirl with a skewer or knife.
Transfer the pan to the oven and bake for 25-30 minutes, or until the surface looks set and the edges are golden brown. Let the blondies cool completely in the pan.
While the blondies cool, add all the cream cheese icing ingredients to a bowl and beat with a hand mixer until completely smooth.
Remove the cooled blondies from the pan, lifting them by the overhanging ends of the parchment paper. Slice to your desired sized squares and drizzle generously with the cream cheese icing.