Who doesn’t love a good mocktail? This Easy Grapefruit Mocktail Recipe is quick to make and absolutely delicious. The bright tartness of fresh grapefruit balanced with a subtle spicy kick from jalapeño makes this drink a refreshing summer favorite. It’s perfect made to order or prepped in advance for guests.

This recipe was inspired by Dry January and is one of many tasty mocktails you can enjoy. If you love nonalcoholic drinks, try other refreshing options on the site for more variety and flavor.
What Makes This Recipe So Good?
- Super simple and fast — under 5 minutes of hands-on time.
- Uses common, fresh ingredients you likely already have at home.
- Easy to convert into a cocktail with a splash of tequila or vodka.
- Naturally free of refined sugar and flexible for paleo, Whole30, and gluten-free diets.
- Works as a single serving or scaled up for a crowd.
- Can be prepped ahead; the grapefruit juice stores well so you can mix soda just before serving.
Recipe Ingredients

- Fresh grapefruit juice – Roll the grapefruit first to release juices, then halve and juice. Ripe grapefruits are plump and slightly red; the deeper the color, the more intense the flavor.
- Fresh jalapeño – Use sliced jalapeño as a garnish; its flavor will gently infuse the drink for a mild heat that pairs nicely with grapefruit.
- Soda water – Sparkling water, club soda, or mineral water (like Pellegrino) are all good mixers to add effervescence without extra sweetness.
See the recipe card below for exact measurements and full instructions.
Substitutions and Variations
- Alcohol: Add a shot of tequila or vodka for a simple cocktail version.
- Sweeteners: If you prefer a sweeter drink, try agave, maple syrup, or a touch of coconut sugar. For a low-calorie option, use stevia.
- Garnishes: Fresh herbs like rosemary, a lime wedge, or a grapefruit slice brighten the presentation. Other citrus fruits work well too.
- Salt rim: A salted rim or a pinch of salt enhances the citrus flavors if you like a savory contrast.
- Fresh lime juice: Optional but adds extra brightness.
- Other fruit: Add strawberries for a Strawberry Grapefruit Mocktail to balance bitterness with sweetness.
If you experiment with other variations, feel free to share how it turned out.
How To Make This Healthy Mocktail

Step #1: Cut grapefruits in half and juice them into a bowl. Combine the fresh grapefruit juice with club soda in a cup and stir gently with a cocktail spoon. Add ice to a glass and pour the mixture over the ice. Garnish with a sliced jalapeño.
Chef’s Tips
- Use a strainer while juicing to catch seeds and excess pulp for a smoother drink.
- If making ahead, store only the grapefruit juice in an airtight container in the refrigerator for up to 5 days. Add the club soda just before serving to preserve fizz.
Recipe FAQs
This mocktail pairs nicely with light appetizers such as dips and finger foods—think fresh vegetable platters, chips with a flavorful dip, or simple baked potato skins.
Add one shot of your preferred liquor (tequila or vodka work well), fill the glass with ice and grapefruit juice, then garnish with jalapeño slices. Adjust alcohol to taste.
To make a paloma-style drink, add a squeeze of lime and a splash of simple syrup to the grapefruit juice, then combine with soda and tequila if desired.
A paloma traditionally combines grapefruit-flavored soda with lime and tequila. This recipe offers a fresher, lower-sugar alternative using fresh grapefruit juice and sparkling water.
Yes—if you like a sweeter drink, add a touch of honey simple syrup, agave, or another sweetener of your choice.

Other Mocktail Recipes You Will Love
-
Key Lime Pie Mocktail
-
Blood Orange Mojito Mocktail
-
The Best Watermelon Mocktail Recipe
-
Pineapple Margarita Mocktails
Are you interested in a list of my go-to healthy alternatives?
Download a free guide to healthy swaps.

Grapefruit Jalapeño Mocktail
19kcal
Equipment
-
Bowl
Ingredients
- 1 ½ grapefruits, juiced (cut in half and squeeze over a bowl)
- 1 Cup club soda
- 1 sliced jalapeño for garnish
OPTIONAL:
- 1 tsp lime juice
Instructions
- Mix the juiced grapefruit and club soda in a cup with a cocktail mixing spoon. Add ice to a glass and pour the mixture into the glass.
- Garnish with a sliced jalapeño on top. Enjoy! If you try this recipe, please rate it and leave a comment to help others find it.
Notes
Nutrition: Nutrition estimates are approximate.
Servings: This recipe yields 1 serving.
| Calories: 19kcal
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