Apple Cake Recipe With Crumble Topping: Warm Spice Streusel Over Moist Apple Layers

This apple cake recipe with crumble topping brings autumn warmth to your kitchen with layers of spiced apple filling and a buttery oat crumble that turns golden under the broiler. The secret to that signature moist texture?

A blend of applesauce and melted butter in the batter, while the crumble topping stays crispy without overpowering the tender cake beneath. I've perfected this recipe over years of baking, and it never fails to impress—whether served with vanilla ice cream or enjoyed on its own.

The cake itself is simple yet impressive, with a tender crumb that holds up beautifully to the spiced apple filling. You'll start by prepping the apples—peeling, coring, and slicing them into even pieces so they cook through without turning mushy.

The crumble topping is where the magic happens: a mix of oats, brown sugar, and cinnamon that gets toasted just until fragrant before being sprinkled over the cake. This isn't just dessert; it's a showstopper that feels like a hug in cake form.

What makes this recipe foolproof is the balance of techniques—baking the cake first to set the layers, then broiling the crumble topping for that perfect caramelized finish.

The result is a cake with moist layers of spiced apple, a crispy-sweet crumble that holds its shape, and a scent that fills your home with the essence of fall. It's the kind of dessert that disappears quickly, so you might want to make two batches.

This recipe works equally well for a cozy family dinner or a holiday gathering, and it's adaptable to dietary preferences with simple swaps.

Whether you're a seasoned baker or just starting out, the step-by-step instructions will guide you through every stage—from mixing the batter to assembling the layers and achieving that golden, crunchy topping. Let's get baking!

Ingredients for apple cake recipe with crumble topping

These 16 ingredients create a showstopping apple cake with crispy crumble topping that disappears fast.

The apples are non-negotiable—Honeycrisp or Fuji hold up best to baking without turning mushy. Trader Joe's usually has pre-peeled and cored apples in the produce section if you're short on time, but fresh is always better. For the crumble topping, Bob's Red Mill old-fashioned oats give the best texture—quick oats get gummy. The butter matters too: Plugrá salted butter works for the crumble, but unsalted is better for the cake to control sweetness.

No applesauce? Mash 2 cooked apples with a pinch of lemon juice—it works in a pinch. Running low on brown sugar? White sugar plus a pinch of molasses mimics the flavor. For the crumble, walnuts or pecans add texture if you want to get fancy. The cinnamon in the crumble can be swapped for cardamom or pumpkin pie spice if you're feeling adventurous. And if you're gluten-free, swap the flour for a 1:1 gluten-free blend—just add an extra 0.5 tsp xanthan gum to the cake batter.

The cake keeps well for 4 days wrapped tightly at room temperature, but the crumble gets stale after 2 days. For best results, bake the cake and crumble separately, then assemble just before serving. If you're prepping ahead, freeze the unbaked cake layers with parchment between them—thaw overnight in the fridge. The crumble topping? Make it fresh day-of for maximum crunch, or store in an airtight container for 1 week in the fridge.

Step-by-step instructions for apple cake with crumble topping

Here's how to create a perfectly moist apple cake with that irresistible cinnamon crumble topping.

Preheat your oven to 350°F and grease an 8-inch round cake pan or 9-inch square pan. In a large mixing bowl, combine the 2.5 cups all-purpose flour, 1.5 cups granulated sugar, 1.5 tsp baking soda, and 0.5 tsp salt. Whisk until evenly distributed—this ensures no pockets of dry flour remain.

In a separate bowl, melt the 1 cup unsalted butter until completely liquid, then let it cool slightly. Add the 2 whole large eggs, 1 cup applesauce, 1 tsp vanilla extract, and 0.5 cup brown sugar to the butter mixture. Whisk until smooth and creamy. Real talk: the applesauce keeps this cake wonderfully moist without being dense.

Gradually pour the wet ingredients into the dry ingredients while mixing on low speed. Mix just until combined—overmixing develops gluten and makes the cake tough. The batter should be thick but pourable. Fold in the 4 medium red apples, peeled and sliced into ¼-inch thick pieces. You'll want to distribute them evenly throughout the batter.

In a medium bowl, combine the 1.5 cups old-fashioned oats, 0.5 cup light brown sugar, 1 tbsp ground cinnamon, and 0.5 cup all-purpose flour. Mix until evenly coated. Add the 0.5 cup cold cubed unsalted butter and use your fingers or a pastry cutter to work it into the mixture until it resembles coarse crumbs with some pea-sized butter pieces remaining.

This texture is crucial—the butter should be cold enough to hold its shape but soft enough to create a crispy, flavorful topping. If it looks too dry, add 1-2 teaspoons of ice water to help bind it together. The crumble should be able to hold its shape when pressed but still crumble easily between your fingers.

Pour the cake batter into your prepared pan and spread it evenly. Sprinkle the crumble topping evenly over the batter, pressing down gently with your fingers to ensure good contact. This step is important because it prevents the topping from sliding off during baking and ensures even browning.

Bake in the preheated oven for 45-50 minutes, or until a toothpick inserted into the center comes out clean. The edges should be golden brown, and the top should have a beautiful caramelized sheen from the crumble. If the topping starts browning too quickly, tent the pan with aluminum foil to prevent burning while allowing the cake to finish baking.

Remove the cake from the oven and let it cool in the pan for 10 minutes. This brief resting period prevents the cake from cracking when you transfer it. Then, carefully invert the cake onto a wire rack to cool completely. The cake will be warm and moist, while the crumble topping will be crisp and fragrant.

For the best experience, serve the cake warm or at room temperature. The contrast between the soft, spiced apple cake and the crisp crumble topping makes every bite irresistible. You'll notice the apples have softened slightly, releasing their juices into the moist cake base. This is exactly what we wanted—juicy, flavorful layers throughout.

Make-ahead tips for leftovers

Prep Ahead Strategy

Start by baking the cake batter 1 day ahead—it actually tastes better after resting as flavors meld. Let it cool completely, then wrap tightly in plastic wrap and store at room temperature.

The crumble topping should be made fresh day-of for maximum crunch, but you can prepare it up to 24 hours ahead and refrigerate in an airtight container. This keeps the oats from absorbing moisture and turning soggy. 💡

Freezer-Friendly Layers

For true make-ahead convenience, assemble the cake layers (batter only) in a greased pan, then freeze for up to 2 months. When ready to bake, thaw overnight in the fridge before proceeding with the recipe.

The apples will soften slightly during freezing but still release their juices beautifully when baked. I like to wrap each frozen layer in parchment paper before stacking to prevent sticking. ❄️

Crumble Prep Shortcut

Make the crumble topping the night before and store it in a sealed container in the fridge. When baking day arrives, simply remove it from the fridge 30 minutes before use to let it soften slightly—this makes it easier to sprinkle evenly over the cake.

For extra convenience, portion the crumble into small bags and freeze for up to 1 month. Thaw in the fridge overnight before using. 🥣

Assembly Timeline

If you're hosting a dinner party, here's my foolproof timeline: Bake the cake layers 2 days ahead, store wrapped at room temperature. Prepare the crumble topping 1 day ahead and refrigerate.

On serving day, simply reheat the cake layers in a 300°F oven for 10 minutes to warm through, then top with fresh crumble and broil for 3-5 minutes until golden. This keeps everything perfectly fresh and warm. 📅

Portion Control Tips

Slice the cake into 12 equal wedges while still warm for perfect portion control. Store individual slices in an airtight container separated by parchment paper to maintain freshness.

The crumble topping stays crisp for 2 days when stored this way, but the cake itself remains moist for up to 4 days. For serving, I recommend using a bench scraper to get clean, even slices every time. 🍴

Reheating Perfection

To revive stale crumble topping, sprinkle a few drops of water over it and broil for 2-3 minutes—this restores that golden crispness. For the cake itself, wrap a slice in a damp paper towel and microwave for 15-20 seconds on medium power.