These Coconut Macaroon Brownies are the kind of old-fashioned dessert bar that earns a permanent place in the recipe box. A rich cocoa brownie surrounds a thick, chewy coconut center made with sweetened condensed milk, creating three distinct layers in every bite. The walnuts bring just enough crunch to balance the fudgy chocolate and soft, almost macaroon-like filling.
I especially like these for potlucks and family gatherings because a single 9-by-13-inch pan makes 18 generous bars, and the coconut layer makes them feel a little more special than everyday brownies. They are sweet and substantial, so smaller squares work beautifully on a dessert tray alongside coffee. Give them plenty of time to cool before slicing; the layers become noticeably neater and chewier once set.

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Ingredients
Chocolate Brownie Layers
1 cup unsalted butter, softened
2 cups granulated sugar
4 large eggs
1½ tsp vanilla extract
2 cups all-purpose flour
¾ tsp cream of tartar
½ cup unsweetened cocoa powder
½ cup walnuts, chopped
Coconut Macaroon Layer
4 cups unsweetened flaked coconut
1 (14-oz) can sweetened condensed milk
1 tbsp vanilla extract
Instructions
- Prepare the pan. Preheat the oven to 175°C / 350°F. Grease and lightly flour a 9-by-13-inch baking pan, making sure the corners are coated.
- Cream the butter and sugar. Beat the softened butter and granulated sugar in a large mixing bowl until creamy and well combined.
- Add the wet ingredients. Beat in the eggs one at a time, mixing well after each addition. Stir in 1½ tsp vanilla extract.
- Finish the chocolate batter. In a separate bowl, whisk together the flour, cream of tartar, and cocoa powder. Gradually mix the dry ingredients into the butter mixture just until no dry streaks remain. Fold in the chopped walnuts.
- Make the bottom layer. Spread half of the chocolate batter evenly across the prepared pan. The batter will be fairly thick, so an offset spatula or the back of a spoon works well.
- Mix the coconut filling. Stir the coconut, sweetened condensed milk, and 1 tbsp vanilla together until the coconut is evenly coated.
- Assemble the brownies. Gently spread the coconut mixture over the bottom brownie layer. Spoon the remaining chocolate batter over the coconut, then carefully spread it toward the edges to cover as evenly as possible.
- Bake. Bake at 175°C / 350°F for 45-50 minutes, or until the surface looks set rather than wet and shiny.
- Cool and slice. Let the brownies cool completely in the pan before cutting into 18 bars. For especially clean layers, allow them to rest until fully set before slicing.
Cooking Notes
Do not overmix the flour. Once the dry ingredients go into the batter, mix only until combined. Excess mixing can make the brownie layers tougher.
Expect thick batter. The chocolate mixture is considerably thicker than boxed brownie batter. Drop small spoonfuls of the final layer across the coconut before spreading; this makes it easier to cover the filling without disturbing it.
Watch the surface rather than relying only on a toothpick. The moist coconut center can make traditional toothpick testing misleading. Look for a chocolate top that has lost its wet, glossy appearance.
Cool before cutting. Warm brownies will taste wonderful but tend to pull apart at the coconut layer. Complete cooling produces cleaner squares.
Nut substitution: Pecans can replace the walnuts in equal amounts. The nuts can also be omitted for a nut-free version, provided the other ingredients are suitable for your dietary needs.
Nutrition
Based on the ingredient quantities and an estimated finished yield, this recipe makes approximately 18 dessert-bar servings. Because coconut, cocoa, flour, and other ingredients vary somewhat by brand and packing method, nutrition should be treated as an estimate rather than laboratory-tested values.
Estimated Nutrition per Serving
- Calories: 470 kcal
- Fat: 28.0 g
- Carb: 52.0 g
- Protein: 7.0 g
Yields: 18 servings
Recommended Serving Size: 1 brownie bar, approximately 1/18 of the pan
Recipe Science
Coconut Macaroon Brownies combine two contrasting dessert structures: a flour-and-cocoa brownie batter and a coconut filling bound with sweetened condensed milk. Butter, eggs, and sugar provide richness and structure to the brownie layers, while cocoa contributes chocolate flavor without adding the additional fat that melted chocolate would introduce. The condensed milk binds and sweetens the coconut as it bakes.
The relatively long 45-50 minute baking period allows the thick three-layer dessert to set through the center. Coconut naturally contains substantial fat and fiber, giving the middle layer its characteristic dense, chewy texture. Meanwhile, sugar and butter keep the surrounding chocolate layers tender. Cooling is structurally important because the fats and concentrated sugars firm as their temperature falls, making the finished brownies easier to cut.
These bars are well suited to advance preparation. Once completely cooled, store them tightly covered at room temperature for about 2 days or refrigerate them for longer storage. Individual bars can also be frozen and thawed before serving. Pecans can replace walnuts without materially changing the baking method.
Dietary Notes & Health Alerts: Saturated fat is estimated at roughly 18-20 g per serving, placing it well above 20% of the FDA Daily Value of 20 g and therefore qualifying as High. Added sugar is also High, with granulated sugar and sweetened condensed milk contributing substantially toward the FDA Daily Value of 50 g. Sodium, at approximately 125 mg per serving, is well below 20% of the 2,300 mg Daily Value. For a lighter portion, cut the pan into 24 smaller bars rather than 18; reducing the serving size is more predictable than substantially altering the coconut filling or brownie formula.
Why You’ll Love This Recipe
- Three Layers in Every Bite: Deep cocoa brownie surrounds a moist, chewy coconut center.
- Made for Sharing: One pan produces 18 substantial bars, making this a practical dessert for parties, holidays, and potlucks.
- Wonderful Texture: Tender brownie, chewy coconut, and crisp walnuts provide plenty of contrast.
- Make-Ahead Friendly: The bars actually become easier to slice after they have cooled and set.
- Simple Grocery-Store Ingredients: There is no complicated chocolate melting or specialty equipment required.
FAQ
- Can I leave out the walnuts? Yes. Simply omit them; no other ingredient quantities need to change.
- Can I use sweetened coconut instead? You can, but the brownies will be noticeably sweeter because the condensed milk and brownie layers already contain substantial sugar. Unsweetened coconut gives the better balance.
- Why is my top brownie layer difficult to spread? The batter is intentionally thick. Spoon small portions all over the coconut layer first, then gently connect them with a spatula rather than trying to spread one large mound.
- Can I make these ahead? Absolutely. Bake and cool the brownies completely, cover the pan tightly, and cut them when you are ready to serve.
- How do I get cleaner slices? Cool the brownies completely and use a sharp knife, wiping the blade between cuts. Brief refrigeration can make the layers even easier to slice.
Conclusion
These Coconut Macaroon Brownies are a wonderful reminder that some of the best recipes are the ones passed around because people keep asking for them. Cooking and baking are always a journey, so feel free to adjust the nuts, portion size, or serving style to make this recipe fit your family.
What would you serve with these; hot coffee, cold milk, or a scoop of vanilla ice cream? Happy baking, friends!
Coconut Macaroon Brownies
Course: MacaroonsCuisine: AmericanDifficulty: Easy18
bars25
minutes50
minutes470
kcalRich chocolate brownies layered with a chewy sweetened condensed milk and coconut filling, plus crunchy walnuts.
Ingredients
- Chocolate Brownie Layers
1 cup unsalted butter, softened
2 cups granulated sugar
4 large eggs
1½ tsp vanilla extract
2 cups all-purpose flour
¾ tsp cream of tartar
½ cup unsweetened cocoa powder
½ cup walnuts, chopped
- Coconut Macaroon Layer
4 cups unsweetened flaked coconut
1 (14-oz) can sweetened condensed milk
1 tbsp vanilla extract
Directions
- Prepare the pan. Preheat the oven to 175°C / 350°F. Grease and lightly flour a 9-by-13-inch baking pan, making sure the corners are coated.
- Cream the butter and sugar. Beat the softened butter and granulated sugar in a large mixing bowl until creamy and well combined.
- Add the wet ingredients. Beat in the eggs one at a time, mixing well after each addition. Stir in 1½ tsp vanilla extract.
- Finish the chocolate batter. In a separate bowl, whisk together the flour, cream of tartar, and cocoa powder. Gradually mix the dry ingredients into the butter mixture just until no dry streaks remain. Fold in the chopped walnuts.
- Make the bottom layer. Spread half of the chocolate batter evenly across the prepared pan. The batter will be fairly thick, so an offset spatula or the back of a spoon works well.
- Mix the coconut filling. Stir the coconut, sweetened condensed milk, and 1 tbsp vanilla together until the coconut is evenly coated.
- Assemble the brownies. Gently spread the coconut mixture over the bottom brownie layer. Spoon the remaining chocolate batter over the coconut, then carefully spread it toward the edges to cover as evenly as possible.
- Bake. Bake at 175°C / 350°F for 45-50 minutes, or until the surface looks set rather than wet and shiny.
- Cool and slice. Let the brownies cool completely in the pan before cutting into 18 bars. For especially clean layers, allow them to rest until fully set before slicing.





