Irish apple cake delight

Category: Sweet Finishes & Fresh-Baked Joy

This classic Irish apple cake brings together tender, thinly sliced Granny Smith apples layered atop a soft, spiced batter. The streusel topping, made with oats, cinnamon, and cold butter, adds a crumbly contrast to the moist crumb beneath. A creamy custard, infused with vanilla, complements each slice when served chilled. The preparation includes creaming butter and sugar, folding in flour and milk, then baking until golden. Dusting with confectioner’s sugar gives a light, sweet finish.

Ideal for cozy gatherings, this cake balances a tender texture with warm spices and crisp topping, offering satisfying bites with every forkful.

Breanna smiling at the camera.
Created By Breanna
Last updated on Tue, 10 Mar 2026 15:50:16 GMT
A slice of Irish apple cake with a dollop of cream on top. Save
A slice of Irish apple cake with a dollop of cream on top. | foodiffy.com

This Irish apple cake is a comforting classic perfect for cozy afternoons or weekend baking. It combines tender, spiced apples with a crumbly streusel topping and a smooth vanilla custard that makes each bite extra special. It’s great when you want a dessert that feels homemade but comes together without fuss.

I first made this after finding a bag of Granny Smith apples lurking in my fridge. The combination of tart apples and sweet custard instantly became a family favorite.

Ingredients

  • Unsalted butter at room temperature: makes for tender, crumbly cake and streusel topping
  • Granulated sugar: adds sweetness without overpowering the subtle apple flavor
  • Large eggs: bind the batter and enrich the custard with their yolks
  • Whole milk or cream: adds moisture and creaminess to both cake and custard – choose the richest you can for the best texture
  • All-purpose flour: provides structure to the cake and streusel; sift and measure carefully for even crumb
  • Baking powder: ensures the cake rises gently without becoming too airy
  • Cinnamon: warms the flavor, so use fresh ground for the most aroma
  • Salt: balances the sweetness and enhances all other flavors
  • Granny Smith apples: bring a firm tartness that holds up well during baking; peel and slice thinly for even layering
  • Old-fashioned rolled oats: add a chewy texture to the streusel topping
  • Confectioner’s sugar: for dusting adds a pretty finishing touch while adding slight sweetness

Instructions

Preheat and Prepare:
Set your oven to 350 degrees Fahrenheit and grease a 9-inch springform pan thoroughly so the cake releases cleanly. This pan is ideal for the cake’s shape and gentle rise.
Make The Custard:
Warm the milk gently while whisking egg yolks and granulated sugar separately until smooth and pale. Combine the hot milk slowly into the egg mixture to temper it, then return everything to low heat stirring continuously until the custard thickens enough to coat the back of a spoon. Strain it to remove any bits and chill until the cake is ready to serve. This custard adds creaminess and a rich contrast to the crumbly cake.
Streusel Topping:
Mix cold butter, flour, sugar, and rolled oats with your fingers or a pastry cutter until you have small crumbs. Chill this mixture so the butter stays cold and the topping stays crisp during baking.
Cream Butter and Sugar:
Beat the room temperature butter with sugar until light and fluffy. This aerates the batter for a tender crumb. Add the eggs one at a time, mixing well after each addition for a smooth, cohesive batter.
Combine Dry Ingredients and Mix:
In a separate bowl, whisk together flour, baking powder, cinnamon, and salt to evenly distribute the leavening and spice. Gently fold the dry ingredients into the creamed butter mixture alternating with milk or cream. This helps maintain a tender texture without overmixing.
Assemble The Cake:
Spread the batter in the prepared pan evenly, then layer the thinly sliced apples over the top in an attractive pattern. Sprinkle the chilled streusel topping generously over the apples for that perfect crunchy contrast.
Bake Until Golden:
Place the cake on the center rack and bake for 50 to 60 minutes, checking doneness by inserting a toothpick in the center. It should come out mostly clean with just a few moist crumbs. The top will be golden and crisp.
Cool and Finish:
Let the cake cool slightly in the pan before removing the springform ring. Dust the surface with confectioner’s sugar just before serving to add a delicate sweetness and pretty presentation. Serve slices warm with the chilled custard on the side.
A slice of Irish apple cake with a dollop of cream on top.
A slice of Irish apple cake with a dollop of cream on top. | foodiffy.com

My favorite ingredient here is the Granny Smith apple because its tartness cuts through the sweetness perfectly and its texture stays firm as the cake bakes. This cake always brings back memories of chilly Irish afternoons spent chatting over tea with loved ones.

Storage Tips

Store leftovers covered at room temperature for up to two days to keep the streusel crisp. For longer storage, wrap tightly and refrigerate for up to four days. The custard keeps separately in the fridge best and reheats gently on the stove or in a warm water bath.

Ingredient Swaps

Try using tart Pink Lady or Braeburn apples for a slightly different flavor profile. You can swap rolled oats in the streusel for chopped nuts like pecans or almonds for extra crunch. Use half and half instead of cream in the custard if you want a lighter texture.

Serving Ideas

This cake is lovely served warm with a dollop of whipped cream or vanilla ice cream if you want to skip the custard. A cup of strong black tea or spiced chai pairs beautifully with this apple cake for an invitation to slow down and savor every bite.

A slice of Irish apple cake with a dollop of butter on top.
A slice of Irish apple cake with a dollop of butter on top. | foodiffy.com

This Irish apple cake brings warmth and comfort to any gathering, perfectly balancing tart and sweet flavors.

Frequently Asked Recipe Questions

→ What type of apples work best for this cake?

Granny Smith apples are ideal due to their tartness and firmness, which hold up well when thinly sliced and baked.

→ How can I achieve a perfect streusel topping?

Use cold unsalted butter cut into pieces and mix gently with flour, sugar, and oats until crumbly. Chilling before baking helps it stay crisp.

→ Can I substitute the custard milk with another dairy option?

Yes, whole milk, half and half, or cream can be used for a richer custard, each adding slight variations to texture and flavor.

→ What is the best way to test if the cake is done?

Insert a toothpick into the center; it should come out clean or with a few moist crumbs. The top should be golden brown.

→ Should the cake be served warm or chilled?

After cooling slightly, it’s best served with chilled custard, which adds a smooth contrast to the warm, tender cake.

→ Is it necessary to strain the custard mixture?

Straining removes any cooked egg bits ensuring the custard remains smooth and creamy throughout.

Irish classic apple cake

Tender apples, cinnamon streusel, and smooth custard come together for a classic Irish treat.

Preparation Time
30 mins
Time to Cook
60 mins
Overall Time
90 mins
Created By: Breanna

Type of Recipe: Desserts & Baking

Cooking Difficulty: Intermediate Skill Needed

Cultural Origin: Irish

Portion Size: 8 Number of Servings

Dietary Options: Good for Vegetarians

Ingredients Required

→ Cake batter

01 115 g unsalted butter, room temperature
02 100 g granulated sugar
03 2 large eggs
04 45 ml whole milk or cream
05 160 g all-purpose flour
06 5 g baking powder
07 2 g ground cinnamon
08 1 g salt

→ Fruit

09 3 medium Granny Smith apples, peeled and thinly sliced (approximately 450 g)

→ Streusel topping

10 95 g all-purpose flour
11 30 g old-fashioned rolled oats
12 85 g unsalted cold butter, cut into small pieces
13 100 g granulated sugar

→ Custard

14 6 large egg yolks
15 75 g granulated sugar
16 360 ml whole milk, half and half, or cream
17 7.5 ml vanilla extract

→ Finishing

18 Confectioner’s sugar for dusting

Guide to Cooking

Step 01

Preheat oven to 175°C and grease a 23 cm springform pan.

Step 02

Heat milk until just below boiling. Whisk egg yolks and sugar until pale, then gradually combine with warm milk. Return mixture to low heat and cook, stirring constantly until thickened. Strain and chill custard.

Step 03

Mix cold butter, flour, sugar, and oats until crumbly. Chill streusel until firm.

Step 04

Beat butter and sugar until light and fluffy, then incorporate eggs one at a time.

Step 05

Sift flour, baking powder, cinnamon, and salt. Fold into creamed mixture alternating with milk or cream until fully integrated.

Step 06

Spread batter evenly in the prepared pan, arrange apple slices on top, then scatter streusel over the apples. Bake for 50 to 60 minutes, until golden and a skewer inserted comes out clean.

Step 07

Allow cake to cool slightly, remove from pan, dust with confectioner’s sugar, and serve.

Extra Suggestions

  1. For best texture, use cold butter in streusel and chill before baking.

Necessary Equipment

  • 9-inch (23 cm) springform pan
  • Mixing bowls
  • Whisk
  • Saucepan

Allergen Info

Always check ingredient labels for allergens, and talk to a health expert if you’re unsure.
  • Contains eggs, dairy, and gluten

Nutritional Info (Per Serving)

Nutrition facts are for general information and shouldn’t replace professional health advice.
  • Energy (Calories): 320
  • Fats: 15 g
  • Carbohydrates: 45 g
  • Protein: 4 g