Irish Apple Cake

This Irish apple cake has a delicate texture and is topped with a cinnamon-oat streusel and cinnamon glaze. A must for St. Patrick’s Day or any other special occasion.

Close up on a slice of Irish apple pie on a plate, with remaining in a serving plate behind
Prep Time:
20 mins
Cook Time:
40 mins
Cool Time:
40 mins
Total Time:
1 hrs 40 mins
1 apple cake



  • 1/2 cup all purpose flour

  • 1/2 cup granulated sugar

  • 1/4 cup old fashioned rolled oats

  • 1/4 teaspoon table salt

  • 1/4 teaspoon ground cinnamon

  • 6 tablespoons unsalted butter, cubed

Cake Batter

  • cooking spray

  • 1/2 cup unsalted butter, at room temperature

  • 1/4 cup granulated sugar

  • 1/4 cup packed light brown sugar

  • 2 large eggs, at room temperature

  • 2 teaspoons vanilla extract

  • 1 1/4 cups all purpose flour

  • 1 teaspoon baking powder

  • 1 teaspoon ground cinnamon

  • 1/4 teaspoon table salt

  • 3 tablespoons whole milk

  • 2 large Granny Smith apples, peeled and cut into 1/4-inch thick slices

Cinnamon Glaze

  • 1/2 cup powdered sugar

  • 1 teaspoon ground cinnamon

  • 2 teaspoons whole milk


  1. Combine 1/2 cup flour, 1/2 cup sugar, oats, 1/4 teaspoon salt, and 1/4 teaspoon cinnamon in a bowl for the streusel. Using a fork or pastry cutter, cut butter into the mixture until it is fully incorporated and has the texture of coarse bread crumbs, about 2 minutes. Chill in the refrigerator until ready to use. 

    Flour, sugar, oats, salt, cinnamon and butter forked together to make streusel topping.

    Dotdash Meredith Food Studios

  2. Preheat the oven to 350 degrees F (175 degrees C). Grease a 9-inch round cake pan with cooking spray.

  3. Combine 1/2 cup butter, 1/4 cup granulated sugar, and brown sugar in a medium bowl for the cake batter. Beat at medium speed, until lightened in color and fluffy, 3 to 4 minutes. Beat in eggs, 1 at a time, on low speed, just until blended. Beat in vanilla extract.

    Butter, sugar, brown sugar, vanilla and eggs beaten together until just blended.

    Dotdash Meredith Food Studios

  4. Combine 1 1/4 cups flour, baking powder, 1 teaspoon cinnamon, and 1/4 teaspoon salt in a small bowl. Add dry ingredients to the mixing bowl and mix on low speed until fully incorporated, 1 to 2 minutes. Add 3 tablespoons milk and beat on low speed until combined, about 45 seconds.


    Spread cake batter evenly in the prepared pan.

    Batter spread evenly into prepared pan.

    Dotdash Meredith Food Studios

  6. Arrange apple slices evenly on top of batter, overlapping as needed.

    Apple slices arranged on top of batter, overlapping if needed.

    Dotdash Meredith Food Studios

  7. Sprinkle apples with streusel.

    Apples sprinkled with streusel topping.

    Dotdash Meredith Food Studios

  8. Bake in the preheated oven until a toothpick inserted into the center comes out clean and streusel is golden brown and crisp, 40 to 50 minutes. Let cake cool in pan on a wire rack 10 minutes. Remove from pan to wire rack and let cool completely, 30 to 45 minutes.

    Cake baked until streusel is golden-brown and toothpick comes out clean.

    Dotdash Meredith Food Studios

  9. Whisk together powdered sugar, 1 teaspoon cinnamon, and 2 teaspoons milk in a small bowl until smooth.

    Powdered sugar, cinnamon and milk whisked together until smooth.

    Dotdash Meredith Food Studios

  10. Drizzle glaze over cake before serving.

    Glaze drizzled over top cake, just before serving.

    Dotdash Meredith Food Studios

Nutrition Facts (per serving)

494 Calories
22g Fat
68g Carbs
6g Protein
Nutrition Facts
Servings Per Recipe 8
Calories 494
% Daily Value *
Total Fat 22g 28%
Saturated Fat 13g 66%
Cholesterol 101mg 34%
Sodium 294mg 13%
Total Carbohydrate 68g 25%
Dietary Fiber 3g 11%
Total Sugars 37g
Protein 6g
Vitamin C 0mg 0%
Calcium 76mg 6%
Iron 2mg 12%
Potassium 154mg 3%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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