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These fudgy and chocolatey Mexican Brownies have a pop of flavor thanks to a little cayenne and cinnamon. Rich in flavor, these seriously addicting brownies are best enjoyed fresh or can be frozen for later.

A Mexican brownie with a bite taken out of it.

This isnโ€™t your average brownie recipe! With a secret ingredient or two, these authentic Mexican Brownies turn out gooey, rich, and have an added twist.

The secret in this recipe is a pinch of cayenne pepper and cinnamon. Adding a hint of spice to the brownie batter helps elevates all of the flavors and makes the brownies taste extra chocolatey. The best part is that this easy dessert recipe can be stored away for a few days or frozen for later. Itโ€™s the best dessert to keep around for chocolate emergencies!

(If you’re a big chocolate lover, then you have to try my Mexican Hot Chocolate and Black Bean Brownies!)

What Makes These Mexican Brownies โ€œMexicanโ€?

A little spice makes a big difference in these authentic Mexican brownies. The difference between this recipe and your everyday chocolate brownies is the addition of cayenne pepper and cinnamon. These ground spices in the batter add just a touch of heat and tons of depth.

Are Mexican Brownies Spicy?

Most recipes for Mexican brownies contain a little bit of spice, but never too much to overwhelm our taste buds. The spices actually enhance the chocolate flavor. With just a little cayenne powder and cinnamon, every bite of these brownies is elevated.

But don’t worry – if chili in your brownies isn’t your thing, you can simply omit it completely and they’ll still be delicious!

Mexican brownies cut into squares with a crackly top.

Mexican Brownie Ingredients

  • Lots of chocolate – You canโ€™t have brownies without the chocolate! Both unsweetened cocoa powder and chocolate chips are needed in this recipe.
  • Cayenne pepper – This adds the signature spicy bite thatโ€™s known to Mexican chocolate desserts. If youโ€™re not a fan of pepper and chocolate together, feel free to omit the cayenne completely or reduce it to only 1/8 teaspoon.
  • Cinnamon – Feel free to use regular cinnamon or Mexican cinnamon for a stronger and more authentic flavor.
  • Flour – I used all-purpose flour for a balanced taste and even baking.
  • Butter – This is melted alongside the chocolate chips and then added to the dry ingredients. Itโ€™s the best way to get your brownies moist and fudgy.
  • Eggs – These will emulsify the dry ingredients and help the brownies rise.
  • Sugar – Both granulated and dark brown sugar help the brownies taste sweet and earthy.
  • Vanilla extract – To round out all of the flavors.
Three fudgy Mexican brownies stacked on top of one another.

How to Make Mexican Brownies

  1. Combine dry ingredients: Whisk the flour, cocoa powder, salt, cinnamon, and cayenne pepper together in a large bowl.
  2. Melt the butter and chocolate: Add the butter and chocolate chips to a saucepan and melt over medium-low heat.
  3. Combine wet ingredients: Stir both sugars and the vanilla extract into the saucepan with the chocolate and butter. Then mix in the eggs until well combined. 
  4. Make the brownie batter: Use a rubber spatula or wooden spoon to fold the wet ingredients into the dry. Do your best not to overmix the batter.
  5. Bake: Pour the batter into your prepared pan and bake until the center is firm and a toothpick inserted comes out mostly clean.
  6. Let them cool: Once theyโ€™re done baking, leave the brownies to cool completely in the pan, then transfer them to a cutting board to slice and serve.
A brownie with a crackled top and sea salt.

Tips and Substitutions

  • If you like spice, use the full ยผ teaspoon of cayenne pepper.
  • If you donโ€™t like too much spice, reduce the amount of cayenne to โ…› teaspoon.
  • If you donโ€™t have cayenne, you can replace it with chili powder or ancho chili powder.
  • You can leave out the cinnamon if you want a pure chocolate flavor.
  • Donโ€™t overmix the batter! Overmixing will make the brownies dense and less fudgy.
  • Want to add more chocolate? Feel free to fold extra chocolate chips into the batter as soon as the wet and dry ingredients have come together.

Storing

To store, keep the brownies in an airtight container at room temperature. Theyโ€™ll keep for up to 4 days, but remain their freshest for 1 to 2 days. You can also keep them in the refrigerator for 7-10 days, though they probably won’t last that long without being eaten!

To freeze, wrap the baked and cooled brownies in plastic wrap and store them in a sealed container or bag. They freeze well for up to 3 months.

4.73 from 90 votes

Mexican Brownies

Mexican Brownies spiced with a touch of cayenne and cinnamon. Fudgy and chocolaty, all it takes are a few ingredients and less than 1 hour.
Prep: 15 minutes
Total: 55 minutes
Servings: 16 brownies
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Ingredients 

Instructions 

  • Heat oven to 350ยฐF. Spray the inside of an 8-inch square baking pan with nonstick spray or oil. Line the pan with parchment paper, and then spray the parchment with nonstick spray or oil as well.
  • Add flour, cocoa powder, salt, cinnamon, and cayenne pepper to a large bowl. Whisk to combine.
  • In a small saucepan over medium-low heat, add butter and chocolate chips. Stir continuously until the mixture has completely melted.
  • Remove from heat. Add the granulated sugar, brown sugar, and vanilla extract. Stir until well combined.
  • Add the eggs and egg yolk. Stir until well combined.
  • Pour the wet ingredients into the flour mixture. Fold together with a rubber spatula or wooden spoon until just combined. Try not overmix.
  • Pour the batter in the prepared baking pan and bake for 32-36 minutes, until the center is firm and a toothpick inserted into the center comes out mostly clean.
  • Garnish with a sprinkle of flaky sea salt (optional), then let the brownies cool completely in the pan. Transfer them to a cutting board and slice them into squares before serving.

Notes

  • This recipe makes 16 small brownies or 9 regular-sized brownies.
  • While these brownies arenโ€™t spicy by any means, you can definitely taste the hint of cayenne pepper. If youโ€™re not a fan of pepper and chocolate together feel free to omit the cayenne completely, or reduce it to only 1/8 teaspoon.

Nutrition

Serving: 1brownie | Calories: 208kcal | Carbohydrates: 26g | Protein: 2g | Fat: 11g | Saturated Fat: 7g | Cholesterol: 48mg | Sodium: 84mg | Potassium: 107mg | Fiber: 2g | Sugar: 20g | Vitamin A: 241IU | Calcium: 18mg | Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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51 Comments

  1. Penny Canales says:

    Great recipe!! Easy, Niall made with things from my pantry and YUMMY!!!

  2. Terry says:

    5 stars
    This is a yum-o-rama dessert!

  3. Esther says:

    5 stars
    Absolutely delicious ๐Ÿ˜‹
    Had some of these at a Mexican restaurant and these were as delicious x thanks for the recipe x

  4. JanieK says:

    5 stars
    Such a great recipe!!! I have made it quite a few times!!! YUM YUM!!!

  5. Melissa says:

    4 stars
    Thanks so much for the recipe! It was very yummy and unique with the right amount of spice to make me want more. I can’t wait to make this recipe again ๐Ÿ˜‹

  6. Bethany says:

    5 stars
    These are so good and now the top brownie recipe in my house! The cayenne adds a fun kick!

  7. Barrie says:

    5 stars
    These are excellent!! The perfect amount of warmth. Everyone loved them, including the kids!
    My only alterations were using light brown sugar and then half cane sugar and half coconut palm sugar. Will bake again. Thank you!

  8. Lynn Sanders says:

    It looks like the brownies are sprinkled with sparse salt but I donโ€™t see that in recipe. After baking?
    And do you have a temperature for brownies when done?

    1. Ana @ Isabel Eats says:

      Hi Lynn! Yes you can top the brownies with coarse sea salt after baking. We don’t have a specific internal temperature when they’re done, but baking them for 32-36 minutes should ensure they’re cooked through, it just depends on how fudgy and chewy you like them.

  9. Ed says:

    Thanks for the recipe Isabel๐Ÿ˜Š The brownies turned out perfect with just a little kick! Will be making these from now on.

  10. Michelle says:

    5 stars
    I made Isabelโ€™s Mexican Brownies, following the recipe as written. My gosh, these are heavenly. Deep, dark, rich, fudgey, delicious, heavenly. I could go on. They are perfect as a dessert, but my husband and I found ourselves enjoying them with our morning coffee as well. This will be my new go-to brownie recipe. Itโ€™s a real keeper. Thanks Isabel,