This jalapeño simple syrup adds a spicy kick to any cocktail or mocktail. We make a batch nearly every summer for weekend drinks and parties. Combining sweet syrup with the heat from fresh peppers creates a flavor that’s both unexpected and addictive.
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This versatile syrup works best in drinks that can handle a bit of heat. It’s perfect in a classic margarita or with lemonade for a refreshing kick on hot days. The syrup pairs incredibly well with tequila and mezcal-based cocktails like our strawberry margarita. If you want something different, it also adds an interesting twist to a cranberry Moscow mule. If you love this simple syrup, try our strawberry simple syrup, cranberry simple syrup, and brown sugar cinnamon simple syrup.
Key Ingredients and Substitutions
With just three simple ingredients, this jalapeño simple syrup brings maximum flavor with minimal effort.
In the printable recipe below, you can find a complete list of ingredients and measurements.
- Granulated Sugar: Use granulated sugar to create a sweet base for the syrup. You can substitute white sugar with raw sugar or demerara sugar for a deeper, more caramel-like flavor, though this will slightly alter the color of the final syrup.
- Jalapeño Peppers: These provide a distinctive spicy kick. For milder heat, remove the seeds and membranes before slicing. For extra heat, keep them intact. You can substitute with serrano peppers for more intense spiciness or poblano for a milder, earthier heat profile.
How to Make Jalapeño Simple Syrup
Here are the quick, step-by-step instructions with visuals; you can find the full instructions, including the exact ingredients, in the recipe card below.
Pro-tip: For a more complex flavor profile, add a few sprigs of fresh herbs like cilantro, rosemary, or thyme during the steeping process. Remove them when you strain out the jalapeños.
1. Prepare the Ingredients: Slice the jalapeños into thin rounds. If you prefer a milder syrup, remove the seeds and white membrane from inside the peppers. For spicier syrup, leave them intact.
2. Combine and Heat: Combine the sugar and water in a small saucepan over medium heat. Stir until the sugar begins to dissolve, then add the jalapeño slices. Continue stirring until the sugar completely dissolves and the mixture starts to simmer.
3. Simmer and Steep: Once the mixture reaches a simmer, reduce heat to low and let it simmer for 3-5 minutes. Remove from heat and allow the jalapeños to steep in the syrup as it cools. The longer you let it steep, the spicier your syrup will become. For mild heat, steep for 10 minutes; for medium heat, 20-30 minutes; for intense heat, 1 hour or more.
4. Strain and Store: Once the syrup has reached your desired level of spiciness, strain through a fine-mesh sieve into a clean glass jar or bottle, discarding the jalapeño slices. Let cool completely before sealing and storing.
Make-Ahead and Storage
Make-Ahead: This jalapeño simple syrup is perfect for making ahead! Allowing it to rest for 24 hours actually enhances the flavors as they continue to develop and meld together.
How to Store: Store the strained syrup in an airtight container in the refrigerator for up to 2 weeks. For longer storage, you can freeze the syrup in ice cube trays and transfer the frozen cubes to a freezer bag. The frozen syrup cubes will keep for up to 3 months and are perfect for adding to individual drinks.
Recipe Tips and Notes
- Control the heat level. Remove seeds and membranes for a milder syrup, or leave them in for extra spice. The steeping time also affects the heat level—taste test as it steeps until you reach your preferred spiciness.
- Use gloves when handling peppers. Jalapeño oils can cause skin irritation and serious pain if you touch your eyes or other sensitive areas after handling the peppers.
- Simmer gently. Avoid boiling the syrup vigorously, as this can break down the jalapeño’s flavors and reduce the quality of your syrup.
- Label your container. To avoid kitchen confusion, always clearly mark your container with both the contents and the date made.
Frequently Asked Questions
More Recipes to Try
Looking for more homemade syrups and cocktail ingredients? Try these flavorful recipes:
- Brown Sugar Cinnamon Simple Syrup – A warm, cozy sweetener perfect for fall and winter cocktails and hot beverages.
- Strawberry Simple Syrup – This bright, fruity syrup adds natural berry flavor to drinks and desserts without artificial ingredients.
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Jalapeño Simple Syrup
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Equipment
- Small Saucepan (1-2 Quarts)
Ingredients
- 1 cup granulated sugar
- 1 cup water
- 2 jalapenos, sliced
Instructions
- Combine sugar and water in a small saucepan over medium heat.
- Add jalapeño slices (with or without seeds, depending on desired heat level).
- Bring to a simmer, stirring occasionally until the sugar is completely dissolved about 3-5 minutes.
- Remove from heat and let cool completely with jalapeño slices still in the syrup. The longer the jalapeño steeps, the spicier the syrup will be.
- Strain through a fine-mesh sieve into a clean container and refrigerate until ready to use. (Can be made up to 2 weeks in advance.)
