Sparkling Elderflower and Grapefruit Spritz

By AislePrompt Editorial · Published 2026-05-09 · Updated 2026-05-09

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are drafted and published.

A refreshing spritz cocktail combining floral elderflower liqueur with vibrant grapefruit and bubbly Prosecco for a bright, effervescent aperitif. This Italian-inspired recipe, ready in about 5 minutes, brings together St-Germain elderflower liqueur, Fresh grapefruit juice, Prosecco for a refreshing, crowd-pleasing drink — a bright, easy pour for parties, gatherings, or any warm-weather afternoon when you want something festive without alcohol-only options. Each serving lands at about 140 calories and feeds 1, so it works for entertaining, brunch, or a non-alcoholic option at the bar cart. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 5 min Serves 1 Italian cuisine 140 cal/serving

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Ingredients

1.5 oz St-Germain elderflower liqueur
1 oz Fresh grapefruit juice
3 oz Prosecco
1 oz Soda water
1 cup Ice cubes
1 Grapefruit slice

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Equipment for this recipe

Tools this recipe's steps call for, with a link to each on Amazon.

Cuisinart Stainless Steel Hollow Handle 15-Piece Cutlery Block Set, Kitchen Knife Set with Steel Blades for Precise Cutting, Durable Knives with Ergonomic Handles, C77SS-15PK
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Instructions

Step 1: Fill a large wine glass with 1 cup of ice cubes to chill the glass thoroughly.
Step 2: Pour 1.5 oz of St-Germain elderflower liqueur and 1 oz of fresh grapefruit juice over the ice, allowing the vibrant citrus aroma to mingle.
Step 3: Slowly add 3 oz of chilled Prosecco to maintain the bubbles, then gently top with 1 oz of soda water for a light fizz.
Step 4: Stir delicately once to combine ingredients without losing effervescence.
Step 5: Garnish with 1 slice of grapefruit on the rim for a zesty, aromatic finish and serve immediately.