
Mars Bars already have everything going for them: caramel, nougat, and silky milk chocolate. But when you turn them into a creamy, boozy cocktail? That’s when magic happens. This Mars Bar Dessert Cocktail is like drinking a chocolate bar milkshake—smooth, rich, and a little bit naughty.
It’s the kind of indulgent drink you make when you want to skip dessert altogether, or when you’re entertaining and need a show-stopping treat in a glass. One sip and you’ll understand why this cocktail is about to become your new guilty pleasure.
Why You’ll Love It
- Tastes just like a Mars Bar – but with a boozy grown-up kick.
- Quick to make – blend and pour, no fuss.
- Perfect for dessert lovers – doubles as a drink and a sweet treat.
- Customisable – adjust the liqueurs for more chocolate, caramel, or creaminess.
Ingredients (serves 2)
- 2 x fun-sized Mars Bars, chopped
- 60ml (2 oz) Baileys Irish Cream
- 60ml (2 oz) Kahlúa (coffee liqueur)
- 30ml (1 oz) Butterscotch schnapps (for caramel flavour)
- ½ cup heavy cream (or vanilla ice cream for a milkshake version)
- 1 tbsp chocolate syrup
- Ice cubes
- Extra chocolate syrup and whipped cream (optional, for garnish)
- 1 fun-sized Mars Bar, sliced (for garnish)
Method
Step 1 – Prep the glasses
Drizzle chocolate syrup around the inside of two martini or dessert glasses. Pop them into the fridge to chill while you make the cocktail.
Step 2 – Blend it all together
In a blender, combine chopped Mars Bars, Baileys, Kahlúa, Butterscotch schnapps, cream, chocolate syrup, and ice cubes. Blend until smooth and creamy.
Step 3 – Pour and garnish
Divide between the chilled glasses. Top with whipped cream, drizzle of chocolate syrup, and a slice of Mars Bar perched on the rim or skewered on a cocktail stick.
Step 4 – Serve immediately
This cocktail is rich and indulgent—best enjoyed straight away while it’s frosty and fresh.
Variations to Try
- Frozen Mars Cocktail – blend with extra ice for a thicker, slushy-style drink.
- Extra Caramel Hit – add a swirl of caramel sauce in the glass before pouring.
- Lighter Version – swap cream for milk or almond milk for a thinner sip.
- Over-the-Top Dessert – serve with a scoop of vanilla ice cream right on top.
When to Serve
This Mars Bar Dessert Cocktail is perfect for:
- Girls’ nights in with snacks and laughter.
- A cheeky dessert replacement when you want chocolate and booze.
- Date nights at home (bonus points if you share the last Mars Bar).
- Festive parties or special occasions where indulgence is the goal.
Mars Bars have a way of making us feel nostalgic and a little bit cheeky—and this cocktail delivers both. Rich, chocolatey, caramel-y, and perfectly boozy, it’s dessert and drink rolled into one.
So if you’ve ever found yourself sneaking a mini Mars Bar from the pantry, imagine blending that same joy into a glass with a splash of liqueur. Trust me: it’s a recipe worth keeping.

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