Cocoa-Spiced Buttered Rum

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A warm, comforting cocktail featuring dark rum blended with spiced butter and cocoa, perfect for cozy evenings. This cocktails-inspired cocktails & drinks ready in about 6 minutes brings together dark rum, unsalted butter, brown sugar 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 280 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 280 cal/serving
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Ingredients

Equipment for this recipe

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Instructions

  1. Step 1: In a heatproof mug, combine 1 tbsp unsalted butter, 1 tbsp brown sugar, 1 tsp cocoa powder, 1/4 tsp ground cinnamon, and 1/8 tsp ground nutmeg.
  2. Step 2: Pour in 4 oz hot water and stir vigorously until the butter and sugar are fully dissolved and the mixture is smooth.
  3. Step 3: Add 2 oz dark rum and stir gently to combine.
  4. Step 4: Garnish with a light dusting of cinnamon and a small cinnamon stick rested on the rim for stirring.

Frequently asked questions

How long does Cocoa-Spiced Buttered Rum 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 Cocoa-Spiced Buttered Rum?

Refrigerate any leftover cocoa-spiced buttered rum 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 Cocoa-Spiced Buttered Rum?

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 Cocoa-Spiced Buttered Rum 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 Cocoa-Spiced Buttered Rum?

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.