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Apple Brown Butter Blondies

Rich blondie bars with carmel-y and nutty brown butter plus packed with sweet chunks of apples. Drizzled with a brown butter glaze. A major slice of Fall.

 

Prep time: 25 min  |  Cook time: 35 min  |  Total: 1 hour

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Ingredients

Apples:

2 cups peeled chopped apples (about 2 medium apples)

2 Tablespoons pure maple syrup (or brown sugar)

1/8 teaspoon ground cinnamon

Blondies:

1 cup (2 sticks) butter, cut into pieces

2 and 1/3 cups all-purpose flour

1 and 1/2 teaspoons baking powder

1/2 teaspoon kosher salt

1 teaspoon ground cinnamon

1/4 teaspoon ground nutmeg

1 and 2/3 cups packed light or dark brown sugar

2 large eggs, at room temperature

1 and 1/2 teaspoons pure vanilla extract

Brown Butter Glaze:

1/4 cup butter

1 and 1/2 cups powdered sugar

2 Tablespoons milk

1/4 teaspoon pure vanilla extract

Instructions

  1. Brown the butter: Slice the butter into pieces and place in a light-colored skillet. (Light colored helps you determine when the butter begins browning.)
  2. Melt the butter over medium heat, stirring constantly. Once melted, the butter will begin to foam. Keep stirring. After 5-8 minutes, the butter will begin browning and you’ll notice lightly browned specks begin to form at the bottom of the pan. You will smell a nutty aroma. Once browned, immediately remove from heat, pour into a heat-proof bowl, and set aside until ready to use.
  3. Prepare the apples: Meanwhile, return the same pan to the stove. Add the apples, maple syrup/brown sugar, and cinnamon. Stir and cook over medium heat until apples have slightly softened, about 3-5 minutes. Set apples aside.
  4. Preheat oven to 350 degrees. Line the bottom and sides of a 9×13 inch baking pan with parchment paper, leaving an overhang on the sides to lift the finished blondies out (makes cutting easier!). Set aside.
  5. Make the blondies: Whisk the flour, baking powder, salt, cinnamon, and nutmeg together in a large bowl.
  6. In a medium bowl, whisk 1 cup browned butter, brown sugar, eggs, and vanilla extract together. Pour the wet ingredients into the dry ingredients and stir until combined. Fold in the apples. Batter will be thick.
  7. Evenly spread batter into prepared pan. Bake for about 35 minutes or until the top is lightly browned and a toothpick comes out clean. Remove from the oven and allow the blondies to cool completely in the pan set on a wire rack.
  8. Brown butter icing: Heat the remaining 1/4 cup (4 Tablespoons) of brown butter in the microwave for a few seconds since it has likely solidified by now. Whisk in powedered sugar, milk, and vanilla extract. If needed, add more powdered sugar to thicken or more milk to thin out. Drizzle over cooled blondies, then cut into squares.

Notes

Cover and store leftover iced blondies at room temperature for up to 2 days or in the refrigerator for up to 1 week.