Brownies are always a family favorite, and if you and yours love spice in your life, mixing in a little heat is a real treat. This Mexican brownies recipe does just that, mixing the spiciness of the cayenne pepper with delicious sweet, earthy chocolate.
🌶️ Quick recipe snapshot
| Flavor profile | Dark cocoa and butter, warmed through with cinnamon, with cayenne arriving late and quietly at the back |
| Primary heat source | A quarter teaspoon of cayenne powder, across the whole pan |
| Heat level | Gentle. Cayenne runs 30,000 to 50,000 SHU, but a quarter teaspoon split eighteen ways is a warm finish rather than a burn |
| Texture | Fudgy and dense. Melted butter and only a quarter teaspoon of baking powder, so there’s very little lift |
| Best uses | Dessert with vanilla ice cream, or cut small alongside coffee |
| Customization ideas | More cinnamon to push it toward Mexican chocolate, or a different chili powder for a different kind of heat |
Flavor notes
There’s twice as much cinnamon in here as cayenne, and that’s the ingredient doing most of the Mexican part. Chocolate and cinnamon is the pairing at the heart of Mexican chocolate, going back long before anyone put it in a brownie. The chili pepper is just an accent on top of it.
The method is worth reading before you start, because it’s not the usual one. You melt the butter rather than creaming it with the sugar, and there’s only a quarter teaspoon of baking powder in the whole pan. Both point the same way: no air beaten in, to add some density. If you’re used to a boxed mix, expect something slightly heavier.
A quarter teaspoon of cayenne across eighteen brownies is not a lot, and that’s deliberate. You get warmth at the back of a bite rather than heat you have to brace for. If you want people to actually notice it, adjust to preference. An eighth of a teaspoon at a time is the way to do it.
Adaptation ideas
We use cayenne pepper powder in our Mexican brownies since cayenne has a more neutral flavor than some other spicy chili powders. In this recipe, cayenne simply provides spiciness without competing with the overall chocolate flavor. But feel free to try different 100% chili powders instead, each with unique flavor profiles. For instance, chipotle powder will provide less spiciness, but it will layer in a smokiness to the brownies. Ancho, guajillo, or pasilla powders are all delicious with various levels of spiciness, earthiness, and sweetness to them.
- More cinnamon, not more chili: If you want it tasting more like Mexican chocolate rather than hotter, take the cinnamon up to a full teaspoon before you touch the cayenne.
- Want the heat obvious? Go up an eighth of a teaspoon at a time. Cayenne climbs quickly, and there’s no taking it back out of a batter.
- For a gooier middle: Check them at eighteen minutes instead of twenty. The full twenty sets them firmer, which slices more cleanly. Neither is wrong, they’re just different brownies.
- Something to bite on: A handful of toasted pecans or dark chocolate chips stirred in at the end of step 6.
- A pinch of espresso powder: Quarter teaspoon in with the cocoa. It doesn’t taste of coffee at that level, it just makes the chocolate read darker.
Serving ideas
This mix of chocolate and spice really lights up those taste buds. Mexican brownies are perfect with creamy vanilla ice cream on the side, or double-down on the cocoa with some chocolate sauce. Or try this spicy chocolate sauce recipe for a double-downing on the spiciness as well! Give this spicy dessert a shot at your next summer barbecue or after a tasty Mexican meal. It is sure to be a surprising hit.
- Cut them small: Eighteen from the pan is the right count. These are rich and spiced, and a big square is a lot of both.
- Flaky salt on top: Scatter it while they’re still warm so it sticks. Salt against cocoa and cayenne is a better finish than more sugar.
- Warm them: Ten seconds in the microwave. They taste noticeably spicier warm than they do at room temperature.
- With black coffee: The bitterness lines up with the cocoa, and it keeps the whole thing from being too sweet.
Storage notes
Airtight container at room temperature, three or four days. Don’t put them in the fridge. Cold dries brownies out faster than the counter does, and it flattens the cinnamon.
They firm up a lot as they cool. Rest five minutes before cutting, which is right if you want them warm, but if you want clean edges let the pan go cold and cut then.
They freeze well. Wrap them individually rather than as a slab, then you can pull one out at a time. Room temperature to thaw, or ten seconds in the microwave from frozen.
Like this dessert? You’ll like these too:
- Chipotle Chocolate Chip Cookies: Smoky chipotle and chocolate are such a good duo.
- Spiced Pineapple: Grilled pineapple, seasoned with cayenne and cinnamon. So simple and so good.
- Cayenne-Spiced Pumpkin Pie: We take the traditional dessert and add a little punch to it.
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Mexican Brownies
Ingredients
- 2 eggs
- 1 cup granulated sugar
- 1/2 cup butter unsalted
- 1/2 cup all purpose flour
- 1/3 cup cocoa powder
- 1 teaspoon vanilla extract
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon cayenne pepper adjust to heat preference
- 1/4 teaspoon salt
- 1/4 teaspoon baking powder
Instructions
- Preheat the oven to 350 Fahrenheit.
- Grease pan (9″ x 13″).
- Melt the butter in a non-stick saucepan using low to medium-low heat. Do not boil.
- Remove butter from heat and allow it to cool slightly.
- Add eggs and sugar to the butter in sauce pan and stir until the mix is creamy.
- Stir in cayenne pepper powder, cocoa powder, cinnamon, flour, baking powder, and salt. Stir until mix is smooth.
- Slowly pour mix into greased pan making sure that it is evenly distributed.
- Place pan in oven and bake for 20 minutes.
- After cooking, let brownies rest and cool for 5 minutes before cutting.
