Mom's Best Recipes
Recipe

Watermelon Basil Gin Spritz

A fresh, fizzy summer cocktail with real watermelon, basil, lime, and gin, topped with sparkling water for an easy patio-ready sip.

Author By Matt Campbell
4.8
A tall glass of watermelon basil gin spritz with ice, a basil sprig, and a small watermelon wedge on the rim on a sunny kitchen counter
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If summer had a house drink, I am pretty sure it would be some version of this. The Watermelon Basil Gin Spritz is cold, pink, and dangerously easy to keep “taste testing.” Fresh watermelon does the heavy lifting, basil keeps it interesting, lime tightens everything up, and sparkling water gives it that bubbly, backyard-party energy.

This one is for the people who want a cocktail that tastes like something you actually made, not something that came out of a neon bottle. No blender required, no obscure syrups, and yes, you can absolutely make a zero-proof version that still feels like a treat.

Fresh ingredients on a kitchen counter including cubed watermelon, basil leaves, limes, a bottle of gin, and a chilled bottle of sparkling water

Why It Works

  • Real fruit flavor without the hassle: Muddled watermelon makes a quick, juicy “base” that tastes fresh and keeps the drink from feeling syrupy.
  • Basil makes it pop: A quick muddle releases aroma and a gentle peppery note that keeps the sweetness in check.
  • Balanced and adjustable: Lime adds brightness, simple syrup is optional, and you can choose how boozy or bubbly you want it.
  • Perfect texture: Shaking (briefly) chills the drink fast, then topping with sparkling water keeps the finish light and crisp.

Pairs Well With

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Storage Tips

Cocktails do not really store well once they are fizzy, but you can prep the parts to make your future self very happy.

Watermelon basil base (best make-ahead move)

  • Mix and strain the watermelon, basil, lime juice, and simple syrup (if using). Store in a sealed jar in the fridge for up to 24 hours.
  • When ready to serve, shake the base with ice and gin, pour, then top with sparkling water.

Cut watermelon

  • Keep cubed watermelon in an airtight container in the fridge for 3 to 4 days.

Leftover sparkling water

  • Keep it cold and tightly capped. For maximum bubbles, use within 1 to 2 days after opening.

Do not freeze the finished drink. The ice melt math gets weird, and the basil can turn swampy.

Common Questions

Can I make this without alcohol?

Yes. Skip the gin and add an extra splash of sparkling water, or use a nonalcoholic gin alternative. If you want more bite, add a few dashes of aromatic bitters if that works for your needs, or a thin slice of jalapeño muddled very lightly.

Do I have to strain the watermelon?

No, but it depends on your vibe. Straining gives you a cleaner, spritz-like drink. Unstrained is more like a juicy, rustic cooler. If you do not strain, use a sturdier straw and expect more pulp.

What kind of gin works best?

A classic London dry is great, but anything citrus-forward is especially nice here. If your gin is very piney or heavily spiced, keep the basil on the lighter side so the drink stays refreshing.

How do I make it less sweet?

Use very ripe watermelon and skip the simple syrup at first. Taste after shaking. If it needs help, add syrup in 1 teaspoon increments.

Can I batch this for a party?

Yes. Make a pitcher of the strained watermelon basil base and refrigerate it. Right before serving, stir in gin and pour over ice, then top each glass with sparkling water so it stays lively.

What can I use instead of basil?

Mint is the easiest swap. Cilantro is surprisingly good if you like it. For something more grown-up, try a small sprig of rosemary, but go easy because it can take over fast.

I started making this on one of those summer days where cooking feels like a personal attack. I had watermelon in the fridge, basil that was about to get dramatic, and exactly zero interest in turning on an oven. The first version was too sweet, the second was too limey, and the third was the one. Now it is my go-to when friends text “we’re coming by” and I want to look like I have my life together while still keeping it low drama.