Island-Spiced Rum Old Fashioned

By · Reviewed by AislePrompt Editorial · ·

A twist on the classic Old Fashioned using dark spiced rum and a hint of tropical bitters to evoke the warmth of the Caribbean. This cocktails-inspired cocktails & drinks ready in about 6 minutes brings together dark spiced rum, demerara syrup, dashes tropical bitters 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 195 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: 6 min Serves 1 Cocktails cuisine 195 cal/serving
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Ingredients

Instructions

  1. Step 1: Place a large clear ice cube in a rocks glass and set aside.
  2. Step 2: In a mixing glass filled halfway with ice, add 2 oz dark spiced rum, 1/4 oz demerara syrup, and 3 dashes of tropical bitters.
  3. Step 3: Stir gently for 30 seconds with a bar spoon to chill and dilute slightly.
  4. Step 4: Strain the mixture over the large ice cube in the rocks glass.
  5. Step 5: Express a wide strip of orange peel over the surface to release oils, then rim the glass with the peel before resting it on the edge as garnish.

Equipment for this recipe

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Frequently asked questions

How long does Island-Spiced Rum Old Fashioned take to make?

Total time is about 6 minutes (6 min prep + 0 min cook). Most home bartenders find this fits a single afternoon; scale up the batch for parties or pitchers.

How do I store leftover Island-Spiced Rum Old Fashioned?

Refrigerate any leftover island-spiced rum old fashioned in a sealed pitcher or jar for up to 3–4 days. Do not reheat — drinks are served chilled. If the recipe uses sparkling water or fresh herbs, hold those back and add fresh just before pouring so the drink stays bright and fizzy.

Can I substitute ingredients in Island-Spiced Rum Old Fashioned?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Island-Spiced Rum Old Fashioned for a different number of people?

The recipe is written for 1 servings. Multiply each ingredient by (your serving target / 1). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Island-Spiced Rum Old Fashioned?

Cocktails cocktails & drinks like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.