Irish Apple Cake

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This is the perfect cake for brunch with coffee or tea and as a delightful finish to your St. Patty’s Day meal. My Irish Apple Cake makes a regular appearance every March. I’ll often serve this with some whipped cream on top and an Irish coffee. (Or, if I’m being honest, with both!!!!) While Irish Soda Bread usually gets all the attention, having a great Irish dessert in my arsenal of recipes really adds something to my St. Paddy’s Day menu.

Why This Recipe Works

This Irish Apple Cake delivers a wonderful balance of textures and flavors that makes it perfect for brunch or dessert. The cake itself is tender and buttery, enriched with quality Irish butter that adds richness and authentic flavor. The tart Granny Smith apples provide a bright contrast to the sweet cake, and because they’re sliced thinly and spread over the time evenly, every bite gets a perfect apple-to-cake ratio. I’m no stranger to apple cake desserts. Be sure to try my French version, Gâteau Invisible (Invisible Apple Cake) or my Halvah Apple Bars for a really unique treat. The crumble topping on my Irish cake brings a delightful crunch with its combination of oats, flour, and butter that bakes up golden and crispy. The cinnamon running through the cake ties everything together with warm spice notes. This is a forgiving recipe that works beautifully whether served warm with coffee or at room temperature with tea.

Ingredients for Irish Apple Cake

Salted Butter – Rich, creamy Irish butter that provides authentic flavor and tender crumb to the cake

Sugar – Sweetens both the cake and crumble topping while helping create structure

Pure Vanilla Extract – Adds depth and warmth to complement the apples and spice

Large Eggs – Provide structure, moisture, and richness to the cake batter

All-Purpose Flour – The foundation of both the cake and crumble topping, giving structure and body

Baking Powder – Leavening agent that helps the cake rise and creates a light texture

Ground Cinnamon – Warm spice that pairs perfectly with apples and adds traditional flavor

Salt – Enhances all the flavors and balances the sweetness

Skim Milk – Adds moisture to the batter and helps create tender crumb

Granny Smith Apples – Tart, firm apples that hold their shape during baking and provide bright flavor contrast

Rolled Oats – Add texture and a slightly nutty flavor to the crumble topping

Confectioners’ Sugar – Provides an elegant finishing touch when dusted over the cooled cake

Possible Substitute Ingredients

Butter Substitutes: Unsalted butter (add extra pinch of salt), or plant-based butter for dairy-free version

Sugar Alternatives: Lakanto Monk Fruit Sweetener (use 1:1 golden or classic), coconut sugar, or reduce to ¼ cup per component for less sweetness

Milk Options: Whole milk, 2% milk, buttermilk (adds tanginess), or non-dairy alternatives like almond milk or oat milk

Apple Varieties: Honeycrisp, Braeburn, or Jonagold can replace Granny Smith (though they’re sweeter)

Oat Alternatives: Quick oats, chopped nuts (walnuts or pecans), or additional flour in the crumble

Vanilla Extract: Vanilla bean paste or almond extract (use half the amount)

Flour Options: Gluten-free 1:1 baking flour blend for gluten-free version

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How to make Irish Apple Cake

To get started on this recipe, preheat your oven to 350 degrees F. Spray a 9-inch round cake pan with cooking spray and then line it with parchment paper and spray it again. This will make removing the cake much easier.

Next, make your crumbled topping. Add your dry ingredients to a bowl and mix. Cut your ice cold butter into small cubes.

Using your hands or a fork, work in the butter cubes until the mixture is clumped and some of it looks like wet sand. Little clumps of butter is just fine. Just keep in the fridge until it is time to top the cake.

To make the cake batter, using a hand-mixer, or stand mixer cream the butter and sugar in a large mixing bowl. Beat it for about 5 minutes until light and fluffy. Then, add the vanilla and one egg at a time until fully incorporated.

In a separate bowl, mix all the dry ingredients. Alternating the dry ingredients and the milk, start adding to the butter and sugar mixture. Fold in each batch until completely incorporated.

Once the batter is completely mixed, add to the pan your prepped. Note: the batter is thick and you will scrape it into the pan. Using a spatula, spread it evenly in the cake pan.

Peel the apples and core them. Slice the apples into thin slices.

Top the batter with the sliced apples and cover the entire top of the cake evenly.

Then add your crumble topping over the top of the apples. Spread it evenly across the top of the cake.

Bake the cake for 60 – 80 minutes until the top is golden brown. Start checking the cake at 60 minutes and monitor carefully. Use a toothpick inserted into the middle of the cake to be sure the apples are tender and the cake is cooked through. There should be no wet batter on the toothpick. If there is, continue baking a few more minutes and up to a total of 80 minutes until done.

Right before you are ready to serve, dust it with confectioner’s sugar. (completely optional) I keep a shaker can of powdered sugar right in my kitchen cabinet with my spices. This makes this job so easy and makes finishing desserts look great.
Slice and serve.

How to Store Leftovers & How to Serve

Storing leftovers is easy with this cake. Cover it tightly with plastic wrap or store in an airtight container at room temperature for up to 3 days. If you want to keep it longer, refrigerate it for up to 5 days — just note that the crumble topping will soften slightly in the fridge, which is a minor trade-off for the extra shelf life. For longer storage, this cake freezes beautifully. Once completely cooled, wrap it tightly in plastic wrap followed by a layer of aluminum foil and freeze for up to 3 months. When you’re ready to enjoy it, thaw at room temperature and hold off on that confectioners’ sugar dusting until just before serving.

When it comes to serving, this cake is wonderfully versatile. It’s delicious warm straight from the oven (after that essential 10-minute cooling rest), but it’s equally satisfying at room temperature. For a classic presentation, dust generously with sifted confectioners’ sugar right before bringing it to the table. Want to elevate it further? A dollop of freshly whipped cream or a scoop of vanilla ice cream alongside a warm slice is absolutely dreamy. This cake pairs perfectly with a strong cup of tea or a classic Irish Coffee — a combination that feels like pure tradition on a plate.

FAQ: About Irish Apple

How long does Irish Apple Cake take to bake?

Irish Apple Cake bakes for 60-80 minutes at 350°F until the crumble topping is golden brown and crisp. The wide time range depends on your oven and the moisture content of the apples.

What type of apples are best for Irish Apple Cake?

Granny Smith apples work best for this recipe because they hold their shape during baking and provide a nice tart contrast to the sweet cake and crumble topping. You’ll need 3 Granny Smith apples, peeled, cored, and thinly sliced.

Can I make Irish Apple Cake without a stand mixer?

Yes, you can use a hand mixer instead of a stand mixer. Cream the butter and sugar on medium-high speed for about 5 minutes until light and fluffy, then add vanilla and eggs one at a time.

What size pan do I need for Irish Apple Cake?

Use a 9-inch round cake pan. Make sure to spray it with cooking spray, line with parchment paper, and spray again for easy removal.

Can I use unsalted butter instead of salted butter?

While the recipe calls for salted butter (8 tablespoons for the cake, 6 tablespoons for the crumble), you can use unsalted butter and add an extra pinch of salt to both the cake and crumble mixture.

Can I substitute the skim milk in Irish Apple Cake?

Yes, you can substitute the 3 tablespoons of skim milk with whole milk, 2% milk, buttermilk, or even non-dairy alternatives like almond milk or oat milk.

What can I use instead of rolled oats in the crumble topping?

The ¼ cup of rolled oats adds texture to the crumble. You could substitute with quick oats, chopped nuts, or simply use more flour, though the texture will be slightly different.

Can I reduce the sugar in Irish Apple Cake?

The recipe uses ½ cup sugar in both the cake and crumble topping. You can reduce each by up to ¼ cup, but this will affect the texture and sweetness balance with the tart Granny Smith apples.

How do I know when Irish Apple Cake is done baking?

The cake is done when the crumble topping is golden brown and crisp, typically after 60-80 minutes. You can also insert a toothpick into the cake portion (avoiding the apples) – it should come out clean.

Why do I need to alternate dry ingredients and milk when making the batter?

Alternating the dry ingredients (flour, baking powder, cinnamon, salt) with the 3 tablespoons of milk prevents overmixing and helps create a tender cake texture. Add about 1/3 of the dry ingredients, then half the milk, continuing until everything is just incorporated.

How should I arrange the apple slices on the cake?

Arrange the thinly sliced Granny Smith apples in a circular pattern, covering the entire surface of the batter before adding the crumble topping.

Should the butter be cold for the crumble topping?

Yes, use cold salted butter cut into small cubes for the crumble topping. Work it in with a fork or your fingers until the mixture resembles wet sand with clumps.

How long can I store Irish Apple Cake?

Store the cake covered at room temperature for up to 3 days or in the refrigerator for up to 5 days. The crumble topping may soften slightly over time.

When should I add the confectioners' sugar?

Dust the cake with sifted confectioners’ sugar right before serving, not while it’s still warm, to prevent the sugar from dissolving.

Can I serve Irish Apple Cake warm?

Yes, this cake is delicious served warm or at room temperature. Let it cool for at least 10 minutes after baking before removing from the pan.

Can I prepare the crumble topping ahead of time?

Yes, you can make the crumble topping (flour, oats, sugar, salt, and cold butter) ahead of time and store it in the refrigerator until you’re ready to top the cake.

How far in advance can I slice the apples?

Slice the 3 Granny Smith apples just before assembling the cake to prevent browning. If you must slice them ahead, toss with a little lemon juice.

Do I need to peel the Granny Smith apples?

Yes, the recipe calls for the apples to be peeled, cored, and thinly sliced for the best texture and appearance.

Why is my Irish Apple Cake taking longer than 60 minutes to bake?

Baking time can vary from 60-80 minutes depending on your oven, altitude, and the moisture content of the apples. Look for a golden brown, crisp crumble topping as your indicator of doneness.

How do I prevent the cake from sticking to the pan?

Use the double-spray method: spray the 9-inch round pan with cooking spray, line with parchment paper, then spray again. Also, run a knife around the edges before removing from the pan.

What if my crumble topping is too dry or too wet?

The crumble should resemble wet sand with clumps. If too dry, add a bit more cold butter. If too wet, add a little more flour and oats.

Can I freeze Irish Apple Cake?

Yes, you can freeze the completely cooled cake (without the confectioners’ sugar dusting) for up to 3 months. Wrap tightly in plastic wrap and aluminum foil. Thaw at room temperature and dust with confectioners’ sugar before serving.

When to Serve This Dessert

This Irish Apple Cake has a wonderful versatility that makes it a go-to recipe across multiple occasions throughout the year.

St. Paddy’s Day Celebrations: This is the cake’s natural home. Whether you’re hosting a full Irish feast or a casual gathering of friends wearing green, this cake makes the perfect grand finale. It’s a step beyond the expected and gives your celebration a genuinely authentic Irish touch. Pair it with an Irish Coffee or a Bailey’s Parfait for a festive dessert spread that will have everyone talking.

Holiday Dinners: Don’t limit this cake to March — it’s a standout choice for fall and winter holiday tables, too. The warm cinnamon and tart apple combination feels perfectly seasonal for Thanksgiving and Christmas gatherings, and it offers a refreshing alternative to the usual pies and layer cakes. It’s impressive enough for a formal holiday dinner but unfussy enough that you won’t be stressed making it.

Brunch: This is where the Irish Apple Cake truly shines as an unexpected star. Its not-too-sweet profile and hearty crumble topping make it feel right at home alongside savory brunch dishes. Serve it warm with coffee or tea and your guests will be reaching for seconds. It works beautifully for a weekend brunch, a holiday morning spread, a baby or bridal shower, or even a casual Sunday gathering with friends. Consider it your make-ahead secret weapon — bake it the day before, and it’s ready to go when the guests arrive.

Did you like this recipe? If so, leave a rating and comment. I’d love to hear from you.

If international desserts are your jam, don’t miss my French Clafoutis aux prunes recipe or my German inspired Apple Strudel. BUT, if you are looking to pull together your own Irish menu, check out some of these amazing recipes.

Lyons-Dooley Irish Soda Bread

Traditional Irish Barmbrack

Traditional Irish Lamb Stew

Irish Cheddar Potato Bake

Crusted Corned Beef

Irish Soda Bread