Spiced syrup
Jalapeño Simple Syrup
Sweet heat you control by the minute. The spicy margarita shortcut.
- 25 min total
- 1½ cups350 ml
- Keeps 2 weeks
Quick answer
Jalapeño simple syrup is 1:1 simple syrup steeped with sliced fresh jalapeños. Simmer 2 sliced jalapeños in the syrup for 2 minutes, then steep off the heat, tasting every 5 minutes, and strain when the heat is right, usually after 15–20 minutes.
Jalapeños vary wildly. Two from the same bag can differ several times over in heat, so a fixed steep time is a guess. The reliable method is to steep off the heat and taste as you go, pulling the peppers when the syrup is a notch spicier than you want. It mellows once it's diluted in a drink.
Most of the heat sits in the white ribs and seeds, while the green flesh carries the bright, grassy flavor. Keep some seeds for a proper kick, or strip them all for flavor with gentle warmth.
Tastesgreen pepperbright heatsweet
The recipe
Jalapeño Simple Syrup
Ingredients for 1½ cups350 ml
You’ll need: small saucepan, fine-mesh strainer, swing-top bottle, shaker, jiggersmall saucepan, fine-mesh strainer, swing-top bottle, shaker, jigger
Method
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Dissolve
Warm the sugar and water in a small saucepan over medium heat, stirring, until clear, about 3 minutes.
1 cup200 g granulated sugar1 cup240 ml water
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Add the peppers
Add the jalapeño coins, bring to a gentle simmer and cook for 2 minutes.
2 jalapeños
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Steep and taste
Take the pan off the heat. Every 5 minutes, cool a few drops on a spoon and taste. Medium heat usually takes about 15 minutes and hot about 30.
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Strain and bottle
As soon as it's slightly spicier than you'd like, strain out the peppers. Cool, bottle and refrigerate.
Storage. Keep it sealed in the fridge for up to 2 weeks. Once the peppers are strained out, the heat stays fairly stable, but the fresh green flavor fades first. Throw it out if it turns cloudy or smells sour.
Per 1 tbsp (15 ml): about 33 kcal, 8.6 g sugar (estimate).
How to use it
Spicy margarita
2 oz (60 ml) blanco tequila, 1 oz (30 ml) lime juice, ½ oz (15 ml) orange liqueur and ½ oz (15 ml) jalapeño syrup, shaken and served over ice with a chili-salt rim.
Spicy paloma
2 oz (60 ml) tequila, ½ oz (15 ml) lime juice and ½ oz (15 ml) jalapeño syrup, topped with 3 oz (90 ml) grapefruit soda.
Spicy lemonade
1 part jalapeño syrup, 1 part lemon or lime juice and 4 parts cold water. Blend in watermelon for a summer cooler.
Spicy cucumber soda
Muddle 3 cucumber slices with ¾ oz (22 ml) syrup and ½ oz (15 ml) lime juice, then top with soda water.
Kitchen glaze
Brush it over grilled chicken wings, salmon or cornbread, or drizzle it on pineapple with lime and flaky salt.
Classic drinks with Jalapeño syrup
Gear for this recipe
Mixology & Craft 16-Piece Cocktail Shaker Set
Shaker, double jigger, bar spoon, tongs and more in one stainless kit: everything needed to put your syrups to work.
Best for Starting a home bar
Otis Classic 16 oz Swing-Top Glass Bottles (6-pack)
Best for Storing and gifting any syrup
Cuisinart Fine Mesh Stainless Strainers (set of 3)
Best for Every infused or fruit syrup
OXO SteeL Angled Measuring Jigger
Best for Measuring syrup into drinks
More gear for this recipe (1)
Cuisinart Chef's Classic 1.5 qt Stainless Saucepan with Lid
Best for Every stovetop syrup
Tips for the best batch
- Wear gloves or wash your hands thoroughly after slicing, and keep your fingers away from your eyes.
- Taste a sliver of raw pepper first. If it's fiery, use one pepper or strip the seeds. If it's mild, leave the seeds in.
- Cool a spoonful before you judge the heat. Warm syrup tastes spicier than it will in a cold drink.
- Too spicy? Dilute it with plain simple syrup. Not spicy enough? Muddle a fresh slice in the shaker.
- Add a strip of lime peel to the steep for a brighter, margarita-ready syrup.
Variations
Serrano or habanero
Serranos are hotter, so use 1. A habanero adds fruity, serious heat: use half a pepper and taste after 5 minutes.
Pineapple-jalapeño
Simmer 100 g pineapple chunks with the peppers, then strain. It's a natural partner for tequila and mezcal.
Cold-infused
Skip the simmer: drop the coins into room-temperature syrup and refrigerate for 12–24 hours. You get brighter, greener pepper flavor with less heat.
Smoky chipotle
Swap the jalapeños for 1 dried chipotle pepper, torn open, for a smoky syrup that suits mezcal and whiskey.
Questions people ask
How do I make jalapeño syrup less spicy?
Remove the seeds and white ribs before slicing, use one pepper, and pull it after a short steep. If a batch is already too hot, dilute it with plain simple syrup.
Should I leave the seeds in?
For noticeable heat, leave in about half. For flavor with just a gentle warmth, remove all the seeds and ribs, which is where most of the capsaicin sits.
How long does jalapeño simple syrup last?
About 2 weeks in a sealed bottle in the fridge, or 3 months frozen.
How much jalapeño syrup goes in a spicy margarita?
½–¾ oz (15–22 ml) per drink, replacing part or all of the agave or simple syrup.
Can I use pickled jalapeños?
Not for syrup, because the vinegar brine clashes with the sugar. A splash of pickle brine in a margarita is a different, salty-sour trick.