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Macadamia Double-Decker Brownie Bars

Scott Phillips

Yield: Yields 48 bars.

These gorgeous two-layer bars have a brownie base topped with a gooey nut-and-coconut-studded topping.


For the brownie layer:

  • Cooking spray
  • 6 oz. (12 Tbs.) unsalted butter, cut into large chunks
  • 1-1/2 cups granulated sugar
  • 2-1/4 oz. (3/4 cup) unsweetened cocoa powder (natural or Dutch processed)
  • 1/4 tsp. table salt
  • 2 large eggs
  • 1 tsp. pure vanilla extract
  • 3-1/2 oz. (3/4 cup) unbleached all-purpose flour

For the macadamia layer:

  • 1/2 cup firmly packed light brown sugar
  • 1-1/2 oz. (1/3 cup) unbleached all-purpose flour
  • 2/3 cup light corn syrup
  • 1-1/2 oz. (3 Tbs.) unsalted butter, melted
  • 1-1/2 tsp. pure vanilla extract
  • 2 large eggs
  • 1-1/2 cups roughly chopped salted macadamia nuts
  • 1/3 cup sweetened coconut flakes

Nutritional Information

  • Nutritional Sample Size per bar
  • Calories (kcal) : 130
  • Fat Calories (kcal): 70
  • Fat (g): 8
  • Saturated Fat (g): 3
  • Polyunsaturated Fat (g): 0
  • Monounsaturated Fat (g): 3.5
  • Cholesterol (mg): 25
  • Sodium (mg): 35
  • Carbohydrates (g): 16
  • Fiber (g): 1
  • Protein (g): 1


  • Position a rack in the center of the oven and heat the oven to 325ºF. Line the bottom and sides of a 9×13-inch baking pan with foil, leaving some overhang on the sides, and spray with cooking spray.

Make the brownie layer:

  • In a medium saucepan over medium heat, whisk the butter until it is melted. Remove the pan from the heat and add the sugar, cocoa powder, and salt. Whisk until well blended, about 1 minute. Add the eggs and vanilla and whisk until smooth. Add the flour and stir with a rubber spatula until blended. Scrape into the prepared pan and spread evenly. Bake until the top is shiny and dry-looking and the brownie springs back very slightly when pressed with a fingertip, about 20 minutes. (The brownie should not be completely baked.) Remove from the oven and put on a rack.

While the brownie layer is baking, make the macadamia topping:

  • In a large mixing bowl, combine the brown sugar and flour. Whisk until well blended, breaking up any large clumps. Add the corn syrup, melted butter, and vanilla. Whisk until blended, about 1 minute. Add the eggs and whisk just until combined, about 30 seconds. (Don’t overmix or the batter will be foamy.) Add the nuts and coconut and stir with a rubber spatula until evenly blended.
  • Pour the macadamia topping over the warm, partially baked brownie layer. Using a spatula, carefully spread the mixture into an even layer. Return the pan to the oven and bake until the top is golden brown, 37 to 40 minutes. Transfer the pan to a rack to cool completely.
  • Using the foil as handles, lift the rectangle from the pan and invert onto a work surface. Carefully peel away the foil. Flip right side up. Using a sharp knife, cut into 2×2-inch squares and then cut each square into triangles.

Make Ahead Tips

After the brownie and macadamia layers have been baked and cooled, the entire pan can be wrapped in plastic wrap, then foil, and frozen for up to 1 month.


For the best results, measure your flour by weight instead of volume. (1 cup of all-purpose flour equals 4-1/2 oz.) If you don’t have a scale, be sure to use the proper technique when filling your measuring cups.Dipping the knife in warm water and wiping it dry between cuts will keep the gooey topping from sticking to the knife.


Rate or Review

Reviews (10 reviews)

  • chefwannabe | 01/24/2021

    Decadent! I have to confess I substituted chopped pecans for the macadamia nuts. I wasn't able to find any macadians at the grocery store. They were AMAZING...oh and I did one more cheat..I used a glass 13x9 and buttered it really well and used a serrated knife to cut and they came out beautifully.

  • SikaB | 05/28/2020

    These were awesome. The brownies were very fudgey and soft, and the macadamia nut topping was caramelized and delicious. The best ones were the corner pieces...Nom. Nom. Nom. I'm not sure that the coconut contributed anything. Maybe if they were toasted first it would've had better flavor. However, I thought the taste got lost and only contributed to the texture.

  • moebears | 12/31/2016

    I don't know what's better than this combo of macadamia nuts, coconut, and chocolate. I baked the choc layer 15 min, top layer 32 min...came out perfect, not overbaked. Served with good van ice cream and made some caramel sauce to gild the lily - hey, why not? It was devoured by all.

  • user-1028660 | 01/20/2013

    One of the first dessert recipes I ever made from Fine Cooking. Possibly the recipe that made me fall in love with this website. Thanks again Fine Cooking!

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