Desserts
This apple hazelnut cake delivers the perfect balance of tender layers and a nutty streusel top that becomes irresistibly crisp. The secret lies in a simple technique: folding finely chopped apples into a moist batter, then crowning it with a buttery hazelnut topping that caramelizes beautifully in the oven.
I developed this recipe after years of testing, ensuring every slice stays perfectly moist while delivering that satisfying crunch from the streusel.
The cake's magic comes from a few key elements: using both brown and white sugar for depth, incorporating toasted hazelnuts into the streusel for extra flavor, and baking at the right temperature to achieve golden-brown edges without drying out the layers.
The result is a dessert that feels both comforting and sophisticated—ideal for fall gatherings or cozy weeknight treats.
What sets this recipe apart is how the flavors evolve with each bite: first the tender cake, then the sweet-tart apples, and finally the nutty streusel that ties everything together. The cake stays moist for days when stored properly, making it perfect for meal prep or gifting.
Whether you're serving it warm with vanilla ice cream or at room temperature with whipped cream, it's guaranteed to impress.
For an extra touch, consider brushing the warm cake with a simple caramel glaze or dusting it with powdered sugar. The combination of textures and flavors makes this apple hazelnut cake a standout dessert that's both impressive and approachable. Let's get baking!
Ingredients for apple hazelnut cake
Eight core ingredients plus a few pantry staples make this moist apple cake extraordinary.
| Ingredient | Amount | Notes |
|---|---|---|
| All-Purpose Flour 🌾 | 2 ½ cups | Sifted for light texture |
| Granulated Sugar 🍚 | 1 ½ cups | White sugar preferred |
| Packed Brown Sugar 🍚 | ½ cup | Light brown preferred |
| Unsalted Butter 🧈 | 1 cup | Room temperature, full-fat |
| Large Eggs 🥚 | 2 whole | Room temperature for blending |
| Vanilla Extract 🍯 | 1 tbsp | Pure extract preferred |
| Baking Powder 🧂 | 2 tsp | Aluminum-free preferred |
| Salt 🧂 | ½ tsp | Fine sea salt preferred |
| McIntosh Apples 🍎 | 2 medium | Peeled, finely chopped |
| Hazelnuts 🥜 | 1 ½ cups | Toasted, roughly chopped |
| Old-Fashioned Oats 🌾 | ½ cup | Rolled oats preferred |
| Cinnamon 🌿 | 1 tsp | Ground, for streusel |
| Powdered Sugar 🍚 | ¼ cup | For dusting |
The apples are non-negotiable—McIntosh or Granny Smith work best for that perfect sweet-tart balance. Trader Joe's has pre-peeled and chopped apples in the fall, but I always buy whole and chop them myself for better texture. Toasting the hazelnuts in a dry pan until golden (about 5 minutes) deepens their flavor—don't skip this step. For the flour, King Arthur is my go-to, but any all-purpose works. The butter should be room temperature when creamed with the sugars, or you'll end up with lumps. I measure mine by weight (8 oz = 1 cup) for consistency, but volume works fine if that's what you've got.
No vanilla extract? Almond extract at half the amount works in a pinch, though it changes the flavor profile slightly. Short on hazelnuts? Walnuts or pecans give a different but still delicious texture. The oats can be substituted with crushed graham crackers for a sweeter streusel. For the apples, if you prefer them chunkier, leave them slightly larger—just adjust baking time by 5-10 minutes. The baking powder is crucial here; double-check the expiration date—old baking powder loses its lift. And if you're feeling fancy, add a pinch of cardamom to the streusel for an unexpected depth of flavor.
This cake keeps beautifully for 4-5 days in an airtight container at room temperature, though I find it's best enjoyed within the first 2 days. For longer storage, wrap tightly and freeze for up to 3 months. The streusel topping stays crisp for about 2 days before softening slightly, so if you're making this ahead, I recommend baking it just before serving. Leftovers reheat wonderfully in a 350°F oven for 10 minutes—perfect for a quick dessert or breakfast treat. The cake also freezes beautifully after baking, so make a double batch and thank me later.
Why You'll Love This Recipe
- Same recipe, two vibes: serve with coffee for a lazy Monday morning or drizzle with honey for a birthday dessert. Between us, it’s the one cake that works for both "I need cake" and "let’s impress guests."
- No Fuss Mixing: I swear by this batter—just creaming butter and sugars until light, then folding in eggs and dry ingredients. No food processor, no weird techniques, just a bowl and a whisk. Honestly, the brown sugar adds that caramel depth without extra steps.
- Buttery Crisp Edges: That butter-to-flour ratio? Chef’s kiss. The cake gets a golden, crackly crust while staying tender inside—no dry bites here. I’ll be real: my first try was slightly cakey, but now I nail it by not overmixing.
- Weekday or Celebration: Same recipe, two vibes: serve with coffee for a lazy Monday morning or drizzle with honey for a birthday dessert. Between us, it’s the one cake that works for both "I need cake" and "let’s impress guests."
Step-by-step instructions for apple hazelnut cake
Follow this method for a perfectly balanced cake with tender crumb and nutty streusel topping.
Prepare the Cake Batter
Preheat your oven to 350°F and grease an 8-inch round cake pan or line it with parchment paper. In a large mixing bowl, combine the 2.5 cups all-purpose flour, 2 tsp baking powder, and 0.5 tsp salt. Whisk until evenly distributed to avoid lumps in your final batter.
In a separate bowl, cream together the 1 cup unsalted butter (at room temperature) and the 1.5 cups granulated sugar and 0.5 cup packed brown sugar on medium speed until light and fluffy—about 3-4 minutes. This step incorporates air, which creates that signature tender crumb. Scrape down the sides of the bowl to ensure even mixing.
Add the 2 whole large eggs, one at a time, mixing well after each addition. Stir in the 1 tbsp vanilla extract and mix until fully combined. Gradually add the dry ingredients to the wet, mixing on low speed just until incorporated—you should still see some flour streaks. Overmixing develops gluten, which can make the cake dense instead of moist.
Fold in Apples and Pour into Pan
Peel, core, and finely chop the 2 medium McIntosh apples (about 2 cups when chopped). Fold them gently into the batter using a spatula, being careful not to overmix. The apples should be evenly distributed throughout the batter.
Pour the batter into your prepared cake pan and smooth the top with a spatula. Tap the pan gently on the counter to release any air bubbles. This ensures an even rise and prevents a dome-shaped cake.
Make the Hazelnut Streusel Topping
In a medium bowl, combine the 1.5 cups hazelnuts, 0.5 cup old-fashioned oats, 1 tsp cinnamon, and the remaining 0.5 cup packed brown sugar. Use your fingers to work the mixture until the hazelnuts are evenly coated and the oats are broken up.
Spread the streusel evenly over the top of the cake batter in the pan. Press down lightly with your fingers to ensure good contact between the topping and cake. This step is crucial for that perfect caramelized crunch when baked.
Bake to Golden Perfection
Bake the cake in the preheated oven for 50-55 minutes, or until a toothpick inserted into the center comes out clean. The edges should be golden brown, and the top should have a caramelized streusel layer.
I like to check the cake at the 45-minute mark—if the top is browning too quickly, tent it loosely with aluminum foil to prevent over-browning while still allowing the cake to cook through. Let the cake cool in the pan for 15 minutes before transferring it to a wire rack to cool completely.
Dust and Serve
Once the cake has cooled completely, dust the top generously with 0.25 cup powdered sugar using a fine-mesh sieve. This adds a delicate sweetness that complements the nutty flavors.
The cake should have a moist, tender crumb with a slightly caramelized top from the streusel. Serve slices at room temperature for the best texture and flavor balance. This cake pairs beautifully with vanilla ice cream or a dollop of whipped cream.
Pro Tips For Making Apple Hazelnut Cake
- Cream Butter Properly: Use a wooden spoon or your fingers to work the cold butter into the sugar until it’s light, fluffy, and actually pale—no streaks of yellow. I used to rush this, and the cake turned dense; take the extra 30 seconds to get it right.
- Toast Hazelnuts Right: Spread whole hazelnuts on a dry baking sheet and toast them at 350°F (175°C) for 8–10 minutes until fragrant and golden, then rub them between a towel to remove skins. Skipping the towel step leaves gritty bits in your cake—trust me, it’s annoying.
- Don’t Overmix the Batter: Once the flour hits the wet ingredients, mix just until combined—lumps are fine. Overmixing develops gluten and makes the cake tough. I learned this after a cake that looked like a brick.
- Test Apples for Ripeness: Use apples that yield slightly to gentle pressure but aren’t mushy—think "just ripe." Overripe apples add too much moisture, and underripe ones stay crunchy instead of tenderizing into the cake. A quick squeeze saves you from a soggy middle.
Best sauces and condiments for this dish
Caramel Drizzle
Elevate your apple hazelnut cake with a homemade caramel drizzle made from ½ cup granulated sugar, ¼ cup heavy cream, and 2 tbsp unsalted butter.
Cook the sugar in a saucepan over medium heat until it turns golden amber (about 5-7 minutes
Serve your cake with vanilla bean ice cream for a classic dessert pairing. Look for brands like Ben & Jerry's Vanilla Bean or Häagen-Dazs Vanilla—their rich, creamy texture contrasts beautifully with the cake's tender crumb. For an extra touch, sprinkle toasted hazelnuts on top before serving. The cold ice cream also helps cut through the cake's richness, making each bite more enjoyable. Add a sophisticated twist with a salted caramel sauce made from ½ cup brown sugar, ¼ cup heavy cream, and a pinch of flaky sea salt. Simmer the sugar in a saucepan until it melts, then whisk in the cream and salt. Drizzle this over slices of cake or serve it on the side for dipping. The salt enhances the caramel's sweetness, creating a perfect balance with the cake's nutty notes. Lightly sweetened whipped cream is a must-have topping for this cake. Whip 1 cup heavy cream with 2 tbsp powdered sugar and a splash of vanilla extract until soft peaks form. Pile it generously on top of each slice and dust with a pinch of cinnamon for warmth. The cream adds a fluffy contrast to the cake's dense texture, making every bite feel indulgent. Brighten the cake's rich flavors with a lemon curd swirl. Mix ½ cup lemon curd (store-bought or homemade) with a dollop of whipped cream, then spread it over the cake before baking. As it bakes, the curd will create pockets of tangy lemon flavor that cut through the sweetness. This works especially well if you're serving the cake chilled, as the lemon's acidity refreshes the palate. For chocolate lovers, a dark chocolate ganache is a game-changer. Melt ½ cup dark chocolate chips with ¼ cup heavy cream over a double boiler, then let it cool until thickened. Pour it over the cake or drizzle it along the sides for a decadent finish. The bitterness of the chocolate complements the cake's sweetness, adding depth to every bite. 🍫Vanilla Bean Ice Cream
Salted Caramel Sauce
Whipped Cream Topping
Lemon Curd Swirl
Chocolate Ganache
Nutrition facts
Frequently asked questions
Can I substitute hazelnuts with another nut?
Yes! If you're allergic or prefer a different flavor, walnuts or pecans work beautifully in the streusel. For a sweeter alternative, try macadamia nuts—but reduce the amount to 1 cup since they're more expensive. Just toast them first to enhance their natural flavor, just like hazelnuts.
Why did my cake turn out dense instead of moist? Overmixing the batter or underbaking are the most common culprits.
Can I make this cake gluten-free?
Replace the all-purpose flour with a 1:1 gluten-free baking flour blend (like Bob's Red Mill). For best results, add ½ tsp xanthan gum to help bind the cake. The texture will be slightly different but still delicious. Keep an eye on baking time—gluten-free cakes often need 5-10 extra minutes.
How do I store leftovers to keep them fresh?
Store the cake in an airtight container at room temperature for up to 4 days. For longer storage, wrap slices individually in plastic wrap and freeze for up to 3 months. To reheat, warm in a 350°F oven for 10 minutes—this restores the streusel's crispness.
What's the best way to serve this cake?
Warm slices with a scoop of vanilla ice cream or a drizzle of salted caramel sauce are classic pairings. For a lighter option, try whipped cream with a sprinkle of cinnamon. The cake's moist texture works well at room temperature too—just let it sit for 30 minutes before serving.