Irish Manhattan with Grand Marnier

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

A festive twist on the classic Manhattan, featuring Irish whiskey, Grand Marnier, and aromatic bitters for a citrusy, celebratory sip. This recipe, ready in about 5 minutes, brings together Irish whiskey, Sweet vermouth, Grand Marnier 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: 5 min Serves 1 Cocktails cuisine 280 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a mixing glass, combine 2 oz Irish whiskey, 1 oz sweet vermouth, and 1/2 oz Grand Marnier. Add 2 dashes orange bitters and stir gently with a bar spoon for 30 seconds until the ingredients are fully integrated and chilled.
  2. Step 2: Strain the mixture into a chilled coupe glass, ensuring no ice chips transfer to the glass. Swirl the glass gently to release the aromatics until the drink feels cool to the touch, about 10 seconds.
  3. Step 3: Place 1 maraschino cherry on top of the drink, skewering it through the rim for a traditional presentation.

Frequently asked questions

How long does Irish Manhattan with Grand Marnier take to make?

Total time is about 5 minutes (5 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 Irish Manhattan with Grand Marnier?

Refrigerate any leftover irish manhattan with grand marnier 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 Irish Manhattan with Grand Marnier?

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 Irish Manhattan with Grand Marnier 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 Irish Manhattan with Grand Marnier?

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.

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