Can I make Irish Whiskey Cake ahead of time?

Yes, you can make the cake 1–2 days in advance. Store it covered in the refrigerator to keep the buttercream and glaze firm. For best texture, allow it to come to room temperature before serving.

What is the best whiskey to use in Irish Whiskey Cake?

Jameson is a popular choice thanks to its smooth, slightly sweet flavor, but any high-quality Irish whiskey will work well. Avoid heavily peated or smoky varieties, as they can overpower the cake’s balance.

Can I make Irish Whiskey Cake alcohol-free?

While the whiskey is a key flavor component, you can substitute it with apple juice or strong brewed tea for a non-alcoholic version. The result will be milder, but still delicious.

How should I store leftovers of Irish Whiskey Cake?

Store leftover cake in an airtight container in the refrigerator for up to 4 days. To freeze, wrap individual slices in plastic wrap and place them in a freezer-safe bag for up to 2 months.

Irish Whiskey Cake – Best Boozy Cake Recipe

Name: Irish Whiskey Cake
Prep time: 25 min
Cook time: 35 min
Total time: 1 h
Cuisine: Irish
Ingredients: 2 ½ sticks (285g) unsalted butter, at room temperature: for rich flavor and soft crumb; 1 ¼ cups (250g) superfine sugar: for sweetness and light texture; 6 large eggs, beaten: for structure and moisture; 2 cups (240g) self-rising flour, sifted: for fluffiness and rise; 2 tablespoons Irish whiskey: adds deep flavor to the sponge; ⅛ teaspoon salt: enhances flavor; 1 ¼ sticks (140g) unsalted butter, softened (for buttercream): base of the filling; ⅛ teaspoon salt (for buttercream): balances sweetness; 4 ½ cups (540g) powdered sugar: for smooth, sweet buttercream; 1 tablespoon Irish whiskey (for buttercream): flavor enhancer; 1 tablespoon milk (for buttercream): adjusts consistency; ¼ stick (28g) unsalted butter (for glaze): for richness; ½ cup (120ml) heavy whipping cream: gives glaze its creamy texture; ¼ cup (50g) white sugar: sweetener for glaze; 2 tablespoons brown sugar: adds depth to glaze; 2 tablespoons Irish whiskey (for glaze): signature flavor

Description

This Irish Whiskey Cake is a moist and fluffy layer cake filled with a whiskey-infused buttercream and topped with a rich whiskey glaze. It’s perfect for special occasions like St. Patrick’s Day or any time you want a flavorful, boozy dessert that’s not overly sweet.

Ingredients

Scale

2 ½ sticks (285g) unsalted butter, at room temperature: for rich flavor and soft crumb
1 ¼ cups (250g) superfine sugar: for sweetness and light texture
6 large eggs, beaten: for structure and moisture
2 cups (240g) self-rising flour, sifted: for fluffiness and rise
2 tablespoons Irish whiskey: adds deep flavor to the sponge
⅛ teaspoon salt: enhances flavor
1 ¼ sticks (140g) unsalted butter, softened (for buttercream): base of the filling
⅛ teaspoon salt (for buttercream): balances sweetness
4 ½ cups (540g) powdered sugar: for smooth, sweet buttercream
1 tablespoon Irish whiskey (for buttercream): flavor enhancer
1 tablespoon milk (for buttercream): adjusts consistency
¼ stick (28g) unsalted butter (for glaze): for richness
½ cup (120ml) heavy whipping cream: gives glaze its creamy texture
¼ cup (50g) white sugar: sweetener for glaze
2 tablespoons brown sugar: adds depth to glaze
2 tablespoons Irish whiskey (for glaze): signature flavor

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Instructions

Preheat oven to 350°F (180°C). Grease two 8-inch round cake tins, line bottoms with parchment, and dust sides with flour.
Cream butter and sugar in a mixer until light and fluffy.
Add one-third of the eggs and one-third of the flour. Repeat until fully combined. Add Irish whiskey and gently mix. Do not overmix.
Divide batter evenly between prepared tins and bake for 30–35 minutes, or until a skewer inserted comes out clean.
Cool cakes in pans for 15 minutes, then transfer to a wire rack. Let cool completely before assembling.
Make the buttercream by mixing softened butter, salt, powdered sugar, milk, and whiskey until smooth and spreadable.
Level cake layers. Place one layer cut-side up on a cake stand and spread with buttercream. Place the second layer cut-side down on top.
Chill the cake briefly to set the buttercream.
To make the glaze, combine butter, cream, sugar, and brown sugar in a small saucepan. Bring to a boil, then simmer for 2–3 minutes.
Remove from heat, let cool slightly, then stir in whiskey. Pour glaze over the cake, allowing it to drip down the sides.

Notes

Use room temperature ingredients for best results.
Do not overmix the batter after adding flour to maintain a soft crumb.
The cake can be made a day in advance and refrigerated.
This cake freezes well — wrap slices individually for easy storage.
For a non-alcoholic version, substitute whiskey with apple juice.

Prep Time: 25 minutes
Cook Time: 35 minutes
Category: Dessert
Method: Baking
Cuisine: Irish

Nutrition

Serving Size: 1 slice
Calories: 852
Sugar: 86g
Sodium: 80mg
Fat: 44g
Saturated Fat: 27g
Unsaturated Fat: 14g
Trans Fat: 1g
Carbohydrates: 105g
Fiber: 1g
Protein: 8g
Cholesterol: 222mg