Irish Coffee
Strong hot coffee with brown sugar, Irish whiskey, and a floating layer of lightly whipped cream, for adults 21 and over.
Updated: Nov 9, 2026
Why you'll like it
- Ready in about 10 min.
- Serves 2 — easy to halve or double.
- Easy level — everyday equipment only.
- Storage, freezing and reheating covered below.
This Irish Coffee recipe takes 10 minutes and makes 2 servings. Irish coffee is hot strong coffee sweetened with brown sugar, spiked with Irish whiskey, and topped with a layer of lightly whipped cream that cools each sip.
Helpful guides
Instructions
Brew the coffee strong, using about 2 tablespoons ground coffee per 6 ounces of water, and keep it hot in the pot or a thermos. Strong coffee holds its flavor once whiskey and cream are added, while weak coffee tastes watery.
Fill two heatproof glasses with hot water, let them stand 1 minute, and empty them. Warm glassware keeps the drink hot to the last sip and reduces cracking from sudden heat.
Stir the brown sugar into the hot coffee off the heat until it fully dissolves, about 1 minute. Sugar will not dissolve once cream is on top, so sweeten while the coffee is hot and clear.
Add 1 1/2 ounces of Irish whiskey to each glass and stir once. Measure the whiskey instead of free-pouring so each serving stays consistent and moderate.
Whip the cream just until it thickens to a pourable ribbon, about 30 seconds, because overwhipped cream drops through the coffee instead of floating.
Pour the cream over the back of a spoon held close to the surface so it forms a layer, then serve at once without stirring. This drink is for adults 21 and over only.
Troubleshooting — fixes, not repeats
- If the cream sinks, it was overwhipped or the coffee had cooled; whip to a loose ribbon stage and pour onto freshly hot coffee.
- If the drink tastes bitter, the coffee was over-extracted or the whiskey harsh; use a medium roast and keep the whiskey measured rather than heavy.
- Keep servings to one per adult, and never serve this to anyone under 21, pregnant, driving, or taking medication that interacts with alcohol.
- Chill the cream and the whisk before whipping for a cleaner layer, since cold cream holds a soft structure longer.
Make it your way
- Serving with rice or naan: For a non-alcoholic Irish coffee, replace the whiskey with 1 1/2 ounces extra-strong decaf coffee or a non-alcoholic whiskey alternative, then keep the brown sugar and cream, which is the version to serve to anyone avoiding alcohol or under 21.
- Maple syrup can stand in for brown sugar, and a grating of nutmeg or dusting of cocoa over the cream turns it into a dessert drink.
- Rum or bourbon can replace Irish whiskey, though the flavor turns sweeter and less malty.
Storage & reheating
Cool leftovers within 2 hours, then refrigerate in a covered container and use within 3 to 4 days. Reheat only the portion you will eat until steaming hot throughout — poultry and reheated rice should reach 165°F (74°C).
FAQ
Why does my cream sink?
Cream sinks when it is too heavy, too cold, or the coffee is not hot enough. Whip it only until it thickens to a pourable ribbon, pour over the back of a spoon, and use coffee that is still steaming.
Can I make it without whiskey?
Yes. Use extra-strong decaf coffee with 1/4 teaspoon vanilla and a pinch of brown sugar, or a non-alcoholic whiskey alternative. The drink stays warm and creamy and is safe for anyone who avoids alcohol.
How much whiskey is in a serving?
This recipe uses 1 1/2 ounces per glass, close to a standard shot. Serve it only to adults 21 and over, and offer the non-alcoholic version to anyone else, including guests who are driving.