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How to make a milkshake with alcohol?

Quick answer

For a boozy milkshake, blend about 2 cups of ice cream with a splash of milk and 1 to 1.5 fl oz of spirit or liqueur per shake, then add more only to taste. Bourbon, rum, coffee liqueur and cream liqueurs such as Baileys are the most common choices. Alcohol makes a shake thinner and slower to freeze, so go light and count the drinks.

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In this article
  1. What is a good alcohol in a milkshake?
  2. How do you make a milkshake with alcohol?
  3. Why does the shake turn runny?
  4. How strong is a boozy milkshake?
  5. Safety

What is a good alcohol in a milkshake?

Spirits and liqueurs with sweet, warm flavors work best. Bourbon suits vanilla and chocolate, dark or spiced rum suits vanilla, coffee and banana, coconut rum suits tropical flavors, and coffee liqueur or Irish cream suits chocolate and coffee shakes. Vodka adds alcohol without much flavor. Mint and bourbon often clash, so pair them with care.

How do you make a milkshake with alcohol?

  1. Add about 2 cups of ice cream to a blender.
  2. Pour in a splash of milk, about a quarter cup, to help it blend.
  3. Add 1 to 1.5 fl oz (30 to 45 ml) of your chosen liquor. This is our suggested starting amount, not an official recipe.
  4. Blend until just smooth. Taste, and add a little more only if needed.
  5. Top with whipped cream and serve right away, in a chilled glass.

Why does the shake turn runny?

Alcohol lowers the freezing point, so it keeps ice cream from firming up. Too much liquor gives a soupy shake. If it is thin, add more ice cream, not more ice, and chill the glass first.

How strong is a boozy milkshake?

The NIAAA defines a U.S. standard drink as about 14 grams of pure alcohol, and gives 1.5 fl oz of 40% spirits and 2 to 3 fl oz of cordials or liqueurs at about 24% as one drink each. So a shake with 1.5 fl oz of 40% spirit is about one standard drink (our calculation). Liqueurs vary, so check the bottle for the percentage.

Shake flavor Liquor that fits
Vanilla Bourbon, dark rum, Irish cream
Chocolate Coffee liqueur, bourbon, Irish cream
Coffee Coffee liqueur, Irish cream, rum
Strawberry or fruit Vodka, light rum

Safety

Alcoholic shakes taste like dessert and are easy to drink fast. Serve only adults of legal drinking age, do not drive after drinking, and keep them away from children. If a drink is served at a party, label which shakes contain alcohol.

People also ask

What alcohol is good in a milkshake?

Bourbon, rum, coffee liqueur and Irish cream are the most common. Match the liquor to the flavor: bourbon with vanilla, coffee liqueur with chocolate.

How much alcohol should I put in a milkshake?

A common starting point is 1 to 1.5 fl oz per shake. Add more only to taste, since too much makes the shake thin.

Is a boozy milkshake one drink?

It depends on the liquor. 1.5 fl oz of 40% spirit is one U.S. standard drink per the NIAAA; liqueurs at about 24% count as one drink at 2 to 3 fl oz.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. NIAAA: What Is A Standard Drink?, read 5 Nov 2026
Written by Drinks Type Editorial Team · Published Apr 10, 2025 · Updated Nov 5, 2026
About · How we verify this · Editorial policy · Corrections

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