Description

This vibrant cocktail delivers a sophisticated balance of tart lime, earthy sweetness from fresh blackberries, and a lingering kick of heat. By using fresh orange zest instead of juice or liqueurs, this version captures the classic margarita profile with zero added sugars, making it a crisp and satisfying option for low-carb occasions.

Ingredients

Scale

1 tbsp coarse kosher salt (for rimming)
1 lime wedge (for rimming)
2 slices fresh jalapeño (plus extra for garnish)
3 large fresh blackberries (ripe)
1 strip fresh orange zest (about 1 inch, white pith removed)
2 oz tequila blanco (silver) (60 ml)
1 oz fresh lime juice (30 ml)
1 oz liquid sugar-free sweetener (e.g., allulose or keto simple syrup) (30 ml)
1 cup ice cubes (divided)

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Instructions

Prepare the glass: Pour the kosher salt onto a small shallow plate. Run the lime wedge around the rim of a rocks glass to moisten it, then dip the rim into the salt to coat. Fill the prepared glass with fresh ice and set aside.
Muddle the aromatics: In a cocktail shaker, combine the jalapeño slices, fresh blackberries, and orange zest. Using a muddler or the back of a wooden spoon, firmly crush the ingredients for 15–20 seconds until the berries are pulverized and the jalapeño releases its spicy aroma.
Build the drink: Pour in the tequila blanco, fresh lime juice, and liquid sugar-free sweetener. Add a handful of ice to the shaker (about ½ cup).
Shake to chill: Secure the lid on the shaker and shake vigorously for 15–20 seconds. Stop when the outside of the shaker feels frosted and very cold to the touch.
Strain and serve: Double strain (using a fine-mesh sieve over the glass) into your salt-rimmed rocks glass to catch the seeds and pulp. Garnish with an extra slice of jalapeño or a blackberry if desired.

Notes

Why it works:
- Texture: Double straining ensures a smooth mouthfeel by removing blackberry seeds and muddled pith.
- Flavor Balance: The orange zest provides the essential citrus oils found in Triple Sec or Cointreau without the high sugar content of the liqueur or orange juice.
- Temperature: Shaking until the tin frosts ensures proper dilution, which mellows the tequila bite.
Key success warnings:
- Spice Control: Jalapeño heat varies wildly. Taste a tiny piece of the pepper before muddling; if it is extremely hot, use only 1 slice or remove the seeds.
- Handling Peppers: Wash hands immediately after handling cut jalapeños to avoid irritating eyes or sensitive skin.
Allergy alert: This recipe is naturally gluten-free and vegan. Ensure your tequila is 100% agave to avoid hidden additives.
Variation: For a smoky depth, substitute the tequila blanco with mezcal.

Nutrition

Nutrition information is calculated using third-party databases and is provided as a courtesy. Since values vary by brand and produce, we suggest calculating them yourself for the most accurate results.