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Stack of brownies.

Macaron Flour Brownies

Today I will teach you how to make Brownies from failed macaron shells! These brownies are super easy to make and a great way to put those shells to good use so you don’t have to waste them.

Course Dessert
Cuisine American
Keyword brownies
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings 9 slices
Calories 320 kcal
Author camila



  • 10 tbsp unsalted butter 141 grams
  • 1 cup chocolate chips or chopped chocolate (160 grams)
  • 1 cup granulated sugar 200 grams
  • 3 large eggs room temperature
  • 2/3 cup macaron flour 66 grams
  • 3 tbsp cocoa powder
  • 2 tsp vanilla extract
  • 1/4 tsp salt
  • 1/2 cup chocolate chips or chopped chocolate (80 grams)


Brownie Batter

  1. Add the butter and the chocolate to a bowl. Microwave the mixture for 15 second intervals, stirring in between until the chocolate and butter have completely melted together.
  2. Add the sugar and whisk to combine.
  3. Add the eggs and mix.
  4. Then add the vanilla and mix until incorporated.
  5. Add the macaron flour, the cocoa powder, the salt and stir with a spatula until the batter is smooth.
  6. Lastly add the chocolate chips or chopped chocolate to the bowl.
  7. Pour the batter in a 9x9 or 8x8” pan lined with parchment paper.
  8. Bake in the pre-heated 350ºF oven for about 25 minutes. To test if the brownies are done baking touch the top gently and if it doesn’t feel jiggly, remove it from the oven.
  9. Let the brownies cool down before slicing and serving.


  1. Store the brownies at room temperature in an air tight container for up to 3 days, or in the fridge for up to a week. They will get harder in the fridge, but I like to heat them up in the microwave and serve with ice cream, or let them sit at room temperature for 30 minutes before eating.

Recipe Notes

Macaron flour– Macaron flour is made of macaron shells processed in the food processor until finely ground. You can process your macaron shells and store the flour in the freezer for up to 2 months.

Nutrition Facts
Macaron Flour Brownies
Amount Per Serving (1 slice)
Calories 320
* Percent Daily Values are based on a 2000 calorie diet.