Trigonometric Tonic
A mathematically balanced tonic cocktail with herbal gin and fresh lime, finished with a hint of aromatic bitters for complexity. This recipe, ready in about 4 minutes, brings together herbal gin, fresh lime juice, tonic water 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.
Ingredients
- 1.5 oz herbal gin
- 3/4 oz fresh lime juice
- 3 oz tonic water
- 2 dashes Angostura bitters
- 1 piece lime wheel
Bar tools worth buying for drinks like this → Best Bar Tools for 2026: Shakers, Jiggers & Strainers Worth Buying
Affiliate disclosure: AislePrompt may earn a commission on qualifying purchases made through Amazon links, at no additional cost to you. See our policy →
Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Fill a highball glass with large clear ice cubes to the brim.
- Step 2: Pour 1.5 oz herbal gin and 3/4 oz fresh lime juice directly over the ice.
- Step 3: Add 2 dashes of Angostura bitters.
- Step 4: Slowly top with 3 oz tonic water to preserve carbonation.
- Step 5: Stir gently with a bar spoon for about 20 seconds to mix without flattening.
- Step 6: Garnish with a lime wheel placed on the rim of the glass.








