Peanut Butter Cinnamon Blondies

Peanut Butter Cinnamon Blondies (with Peanut Butter Frosting)
original recipe from evilshenanigans

Ingredients

For the blondies:

• 1/3 cup butter, at room temperature
• 1/2 cup peanut butter
• 1 cup plus 2 tablespoons all-purpose flour
• 1 1/4 teaspoon baking powder
• 1/2 teaspoon cinnamon
• 1/8 teaspoon salt
• 3/4 cup packed brown sugar
• 1 teaspoon vanilla
• 1 egg
• 1 tablespoon corn syrup

For the frosting:

• 1 tablespoons butter, softened
• 2 tablespoons peanut butter
• 1 cup powdered sugar
• 1-2 tablespoons milk

Directions

1. Preheat the oven to 350 degrees F.
2. In a medium mixing bowl, whisk together the flour, cinnamon, salt, and baking powder.
3. In a large bowl, use an electric mixer to combine the butter, peanut butter, brown sugar, and egg.  Add the syrup until combined.
4. Pour the wet ingredients into the dry and stir until no flour remains. Pour into an 8" x 8" well-buttered or sprayed pan and spread batter to the edges. 
5. Bake for 27-30 minutes.  Let blondies rest and cool while you make the frosting.
6. For the frosting: In a small bowl, use and electric mixer to whisk butter, peanut butter, sugar, and milk together. 
7. Cut and frost the blondies before serving.