Neutron Bomb

This isn't a thinking drink. It's a sweet, layered shot designed to look good and go down easy. Don't let the smooth flavors fool you, it brings a decent kick for its size. This is for when you need a quick sugar rush and a little buzz, without committing to a full cocktail.

Neutron Bomb Shot

4.56 from 9 votes

Calories: 102kcal

Prep Time: 3

Total Time: 5

The Neutron Bomb shot is a delightful blend of butterscotch schnapps, Irish cream, and coffee liqueur. This layered shot is not only visually appealing but also offers a sweet and creamy explosion of flavors. Perfect for parties or as a fun treat, the Neutron Bomb is sure to impress.

Ingredients

▢ 1/3 oz Butterscotch Schnapps
▢ 1/3 oz Irish Cream
▢ 1/3 oz Coffee Liqueur

Instructions

Pour the Butterscotch Schnapps:

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Pour 1/3 oz butterscotch schnapps into a shot glass.

Float the Irish Cream:

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Carefully float 1/3 oz Irish cream over the butterscotch schnapps by pouring it over the back of a spoon.

Sink the Coffee Liqueur:

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Slowly pour 1/3 oz coffee liqueur to sink it to the bottom of the shot glass.

Serve:

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Serve immediately and enjoy the layered look and taste.

Notes

The Neutron Bomb shot is all about the layers. To achieve the perfect look, pour each layer slowly and carefully. This shot combines the sweetness of butterscotch, the creaminess of Irish cream, and the rich depth of coffee liqueur. It's a fun and tasty addition to any gathering.

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Estimated Nutrition:

Calories: 102kcal (5%)Carbohydrates: 10g (3%)Saturated Fat: 1g (6%)Polyunsaturated Fat: 0.01gSugar: 10g (11%)

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Where it came from

Nobody's quite sure who first stacked these three liqueurs, but the Neutron Bomb feels like a product of the late 20th century. It comes from a time when layered shots were all the rage in bars looking for a little visual flair.

It's a cousin to other popular layered shots, like the B-52 or the Slippery Nipple. The trick is getting the density right to keep those distinct bands of color and flavor. This one leans into the dessert side of the spectrum, a sweet treat you can knock back.

You'll find this one at a lively house party, a casual bar, or anywhere someone wants to impress with a bit of liquid art. It's not a quiet sipper for a dimly lit lounge. This is a "let's get the party started" kind of shot.

What it tastes like

Expect a sweet, creamy hit up front, thanks to the butterscotch and Irish cream. The coffee liqueur anchors it all with a familiar, slightly bitter counterpoint, keeping it from being pure sugar. Each layer delivers its own distinct flavor before blending into a rich, dessert-like experience on the way down.

With three different liqueurs, each around 15-20% ABV, you're looking at a shot that's about 17% alcohol by volume. That's roughly three to four times the alcohol concentration of a standard 5% beer, so even though it's small, it's not a lightweight. Treat it with respect.

The technique

Building a Neutron Bomb is all about the pour. You need a standard shot glass. Start with the butterscotch schnapps, then carefully float the Irish cream over it. Finish by slowly pouring the coffee liqueur, letting it sink through the other layers to the bottom. The key is a steady hand and a light touch.

The spoon trick is your best friend here. Pouring the lighter liquids over the back of a bar spoon, held just above the previous layer, helps them spread evenly and prevents them from mixing too much. Go slow, or you'll just have a murky brown shot.

Ingredient Spotlight

The bottles that make or break this drink.

Butterscotch Schnapps

Use: DeKuyper, Bols, or any good quality butterscotch schnapps. The flavor needs to be clear and sweet.
Skip: Anything labeled 'butterscotch syrup' or 'flavoring' unless it's explicitly alcoholic. You need the boozy base for the layering to work.
Why: It's the sweet, sticky foundation and the first flavor hit. Without it, the drink loses its dessert appeal and distinctive character.

Irish Cream

Use: Baileys is the standard for a reason, but Carolans or Saint Brendan's also do the job. You want that creamy, slightly whiskey-laced sweetness.
Skip: Regular cream or milk. It won't layer right, and you'll miss the alcohol and the subtle whiskey notes that make Irish cream what it is.
Why: This is the creamy middle layer, providing texture and a mellow sweetness that balances the other two. It's essential for both the visual and the taste.

Three Variations

Three real ways bartenders riff on this drink.

B-52

The classic layered shot: Swap the butterscotch for Kahlua, then add Baileys and float Grand Marnier on top. It's a little more complex, with an orange kick.

Slippery Nipple

Two layers, big impact: A simpler layered shot featuring Sambuca on the bottom and Irish Cream floated over it. Anise and cream, it's a bold combo.

Toasted Almond Shot

Nutty and sweet: Mix coffee liqueur, amaretto, and Irish cream in equal parts. No layering needed for this one, just a quick shake or stir for a sweet, nutty dessert shot.

What if I don't have…

Quick substitutions for when the bottle shop is closed.

No Butterscotch Schnapps?

Try a caramel liqueur or even a hazelnut liqueur for a different sweet base.

No Irish Cream?

A coffee cream liqueur or even a chocolate liqueur with a splash of regular cream could work in a pinch, though the flavor will shift.

No Coffee Liqueur?

A dark chocolate liqueur or even a bold, sweetened espresso shot might substitute, but you'll lose some of the depth.

No shot glass?

A small cordial glass or even a carefully portioned mini tumbler will do. The layering just needs a narrow vessel.

Frequently Asked Questions

Direct answers to what people search for after Googling this drink.

What is in a Neutron Bomb?

A Neutron Bomb contains equal parts butterscotch schnapps, Irish cream, and coffee liqueur, typically 1/3 oz of each.

How strong is a Neutron Bomb shot?

It's about 17% alcohol by volume, which is stronger than most beers. It's a small dose of alcohol, but it's concentrated.

Why is it called a Neutron Bomb?

The name likely refers to its potent, quick impact despite its small size, similar to the concept of a neutron bomb's effect.

What does a Neutron Bomb taste like?

It tastes sweet and creamy, with prominent butterscotch and coffee flavors, rounded out by the smooth notes of Irish cream.

Can I make a Neutron Bomb into a full-sized drink?

You could scale up the ingredients and serve it over ice in a rocks glass, but its charm is really in its layered shot format.

What's the trick to layering the shot?

Pour the lighter liquids slowly over the back of a bar spoon, held just above the surface of the liquid below. Gravity and density do the rest.

What order do the layers go in?

Start with butterscotch schnapps, then Irish cream, and finally, coffee liqueur. This order is based on their densities.

Is the Neutron Bomb a classic cocktail?

No, it's a more modern creation, part of the layered shot trend that gained popularity in the late 20th century. Don't expect to find it in any old cocktail books.