Keto Irish Coffee Mousse

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The Giant's Causeway

📍 Where this dish comes from: County Antrim, Northern Ireland · The Giant’s Causeway
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Keto Irish Coffee Mousse, plated and ready to serve

This Keto Irish Coffee Mousse is a creamy, indulgent dessert with the rich flavors of coffee and Irish whiskey, made keto-friendly by using low-carb ingredients. Light, airy, and with a perfect balance of bitterness from the coffee and sweetness from the whipped cream, this mousse is an elegant finish to any meal, and it’s quick and easy to make!

What You’ll Need

Ingredients for Keto Irish Coffee Mousse

Keto Irish Coffee Mousse

This Keto Irish Coffee Mousse is a creamy, indulgent dessert with the rich flavors of coffee and Irish whiskey, made keto-friendly by using low-carb ingredients.
Print Recipe
Prep Time: 10 minutes
Cook Time: 1 hour
Total Time: 1 hour 10 minutes
Course: Dessert
Cuisine: Irish
Servings: 4 servings
Calories: 250kcal

Ingredients

  • 1 cup heavy cream
  • 2 tbsp powdered erythritol (or your preferred keto sweetener)
  • 2 tsp instant coffee granules
  • 2 tbsp Irish whiskey (or sugar-free Irish cream syrup)
  • 1 tsp vanilla extract
  • 1 tbsp unsweetened cocoa powder (optional for garnish)
  • Sugar-free chocolate shavings (optional for garnish)

Instructions

  • Prepare the coffee flavor: In a small bowl, dissolve the instant coffee granules in 1 tablespoon of hot water. Set aside to cool.
  • Whip the cream: In a large mixing bowl, beat the heavy cream with an electric mixer until soft peaks form. Gradually add the powdered erythritol, vanilla extract, and cooled coffee mixture. Continue whipping until the cream forms stiff peaks.
  • Add the Irish whiskey: Gently fold in the Irish whiskey or sugar-free Irish cream syrup, making sure it is evenly incorporated into the whipped cream mixture.
  • Chill the mousse: Spoon the mousse into individual serving glasses or bowls. Cover and refrigerate for at least 1 hour to let the flavors meld and the mousse to firm up.
  • Garnish and serve: Before serving, dust the top with unsweetened cocoa powder or garnish with sugar-free chocolate shavings for extra indulgence. Serve chilled and enjoy!

Nutrition

Serving: 1serving | Calories: 250kcal | Protein: 2g | Fat: 25g
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Cooking Keto Irish Coffee Mousse in the kitchen

Health Benefits

  • Whipped cream forms the entire base, so this mousse is naturally high in fat and low in carbs.
  • Erythritol sweetens the mousse without the carbs of traditional sugar.
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