It's Monday, November 17th, and even though I'm in Casablanca, Morocco-a long way from my home kitchen in Austin, Texas-my mind is 100% on Thanksgiving planning. I'm deep in dessert mode, and I'm dreaming of a true showstopper. This Salted Caramel Apple Crumble Cake is that dessert. It's an epic, three-layer masterpiece of incredibly moist spice cake, a gooey apple-pie filling, a crunchy crumble, and a tangy cream cheese frosting, all finished with a salted caramel drizzle. It is, without a doubt, the ultimate celebration cake for any fall holiday.
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My non-negotiable tip: You must build a "frosting dam" (Step 5 of Assembly). On my first test, I just spread the filling to the edge, and the heavy apples and caramel oozed out the sides, creating a sticky, lopsided mess. Piping that double-stacked ring of frosting is the secret to clean, beautiful, stable layers.
A True Celebration Cake
This is a "project bake," and it's worth every single second. It's not just a cake; it's an event. The cake layers themselves are unbelievably moist, using apple cider and buttermilk for tenderness. The filling is a thick, stovetop Granny Smith apple pie filling. The crumble is baked separately so it stays perfectly crisp, and the whole thing is brought together with a tangy cream cheese frosting and rich salted caramel. It's every single good fall flavour, all in one magnificent slice.
Why You'll Love This Recipe
- The Ultimate Showstopper: This is a tall, stunning, multi-layered cake that is the definition of a holiday centerpiece.
- Incredible Flavour & Texture: This cake has everything-moist, spiced cake; tender, gooey apples; a crunchy, buttery crumble; tangy frosting; and salty-sweet caramel.
- Perfect Make-Ahead: This cake must be chilled, making it the ideal dessert to assemble the day before your big event, freeing up all your time.
- Perfectly Spiced: The cake is packed with a warm blend of cinnamon, ginger, and nutmeg that screams autumn.
Ingredients
Here's what you'll need for this epic dessert. For the full list with precise measurements, see the recipe card at the end of the post!
For the Spice Cake
- Sugars: A mix of packed light brown sugar and granulated sugar.
- Fats: Unsalted butter (softened) and a neutral vegetable oil.
- Eggs: 4 large eggs, at room temperature.
- Spices: A warm, fragrant blend of cinnamon, ginger, and nutmeg.
- Leavening: Baking powder and baking soda.
- Liquids: Apple cider (the real, unfiltered kind) and buttermilk, both at room temperature.
- Flour: All-purpose flour, spooned and leveled.
For the Apple Filling
- Apples: 3 Granny Smith apples. Their firm, tart texture is essential to balance the sweetness.
- Butter & Brown Sugar: For the rich, jammy sauce.
- Spices: Ground cinnamon and kosher salt.
- Thickener: Cornstarch and cold water.
For the Crumble
- All-Purpose Flour
- Brown Sugar: Packed light brown sugar.
- Salt: Kosher salt.
- Butter: Cold unsalted butter, cubed.
For Assembly
- Cream Cheese Frosting: 2 batches of your favorite homemade recipe.
- Salted Caramel Sauce: Homemade or a good-quality, thick store-bought sauce.
How to Make Salted Caramel Apple Crumble Cake
This is a project bake! I recommend making the components on Day 1 (Cakes, Filling, Crumble) and assembling on Day 2.
Step 1: Bake the Spice Cakes
First, I preheat my oven to 350°F (175°C). I grease three 8-inch round cake pans, line the bottoms with parchment paper, and grease the parchment.
In a stand mixer, I beat the brown sugar, butter, granulated sugar, and salt on medium-high for 2-3 minutes until light and fluffy. I beat in the oil. Then, I add the room-temperature eggs, one at a time. I beat in the baking powder, vanilla, and all the spices.
On low speed, I add the apple cider and 1 cup of the flour. I mix until just combined. I add the next 1 cup of flour and the buttermilk, mix, then add the final 1 cup of flour, mixing just until no dry streaks remain.
I divide the batter evenly among the three pans (about 465g per pan if you have a scale) and bake for 22-28 minutes, until a toothpick inserted in the center comes out clean. I let the cakes cool completely. Make Ahead: Cakes can be wrapped in plastic and refrigerated overnight.
Step 2: Cook the Apple Filling
In a large pan, I melt the 4 tablespoon of butter. I stir in the diced apples, brown sugar, cinnamon, and salt. I let this simmer over medium heat, stirring, for about 10 minutes, until the apples are just tender.
In a small bowl, I whisk the cornstarch and cold water to make a slurry. I pour this into the apples, stir, and simmer for 1 more minute until the sauce is very thick and glossy. I let this cool completely. Make Ahead: This can be stored in the fridge for 3 days.
Step 3: Bake the Crumble
I preheat the oven to 350°F (175°C) and line a baking sheet with parchment.
In a medium bowl, I whisk the flour, brown sugar, and salt. I add the cold, cubed butter and use my fingertips to rub the butter into the flour until it resembles coarse cornmeal and holds together in clumps.
I spread this crumble mixture on the baking sheet and freeze it for 10 minutes. This is a key step!
I bake the frozen crumble for 10 minutes, then toss it with a spatula, and bake for 5-10 minutes more, until it's lightly browned. It will crisp up as it cools. Make Ahead: This can be stored in an airtight container at room temp for 1 day.
Step 4: Assemble the Cake
I level the tops of my chilled cakes with a serrated knife. I place the first cake layer on a platter and spread about ¾ cup of frosting on it.
Now, the "frosting dam": I transfer 1.5 cups of frosting to a piping bag with a 1" round tip. I pipe a double-stacked ring (one ring, then another ring on top of it) around the edge of the cake. This is the secret to holding in the filling!
I fill the dam with 1 cup of the cooled apple filling, then ½ cup of the baked crumble, and a drizzle of 2 tablespoons of caramel.
I place the second cake layer on top, spread with frosting, and repeat the dam, apple, crumble, and caramel. I place the third cake layer on top, smooth side up.
Step 5: Crumb Coat and Chill
I frost the top and sides of the cake with a thin coat of frosting (the "crumb coat") to fill in the cracks and seal in the crumbs. I refrigerate the cake for at least 2 hours (or overnight). This is essential for the cake to be stable.
Step 6: Final Frost and Decorate
I apply a final, clean layer of the remaining (stirred and pliable) frosting over the chilled crumb coat. I drizzle with the remaining ½ cup of caramel, letting it drip down the sides. Finally, I press the remaining crumble on top.
Common Mistakes to Avoid
- Skipping the Frosting Dam: This is the #1 mistake. If you just spread the filling, the weight of the cake will cause the apples and caramel to ooze out the sides. The double-stacked frosting dam is essential.
- Using a Hot Filling: All components (cakes, filling, crumble, caramel) must be completely cool before you assemble the cake. Hot apples will melt the frosting into a soupy mess.
- Skipping the Crumb Coat & Chill: If you try to frost the entire cake at once, you will get crumbs in your frosting, and the layers will be wobbly. The 2-hour chill is what makes the cake firm, stable, and easy to frost.
Tips and Tricks for Success
- Use Granny Smith Apples: This is my top tip. The cake and frosting are very sweet. You need the tart, firm bite of a Granny Smith or Braeburn apple to cut through the richness.
- Room Temp Ingredients: For the cake batter and frosting, using room-temperature butter, eggs, milk, and cream cheese is the secret to a smooth, non-curdled, perfectly emulsified result.
- Bake the Crumble Separately: This seems like an extra step, but it's the only way to get a truly crunchy crumble in a layer cake. If you add it raw, it will just get soggy.
- Use a Serrated Knife: A serrated bread knife is the best tool for leveling your cooled cake layers.
Variations
- Add Nuts: Fold 1 cup of toasted, chopped pecans into the crumble mixture before baking it.
- Make it a Sheet Cake: This is a much easier version. Bake the 3 cake layers in a 9x13 pan (it will be tall!) for 35-40 minutes. Let it cool, then top with the apple filling, the crumble, the frosting, and the caramel.
- Add a Kick: Add 2 tablespoons of bourbon or dark rum to the apple filling as it cooks for a deeper, richer flavour.
How to Serve
This Salted Caramel Apple Crumble Cake is the ultimate dessert for a holiday feast.
- It is the star of a Thanksgiving or Christmas dessert table.
- It must be served chilled (or at a cool room temperature) for clean, beautiful slices.
- It is so rich, it needs nothing but a fork and a hot cup of coffee.
Make Ahead and Storage
This is the perfect make-ahead cake!
- Make Ahead: You must make this ahead.
- Day 1: Bake the cake layers, make the apple filling, and bake the crumble. Cool everything, then wrap and store (cakes/filling in the fridge, crumble at room temp).
- Day 2: Make the frosting and assemble the entire cake. Store it, covered, in the refrigerator overnight.
- Storage: The finished cake must be stored in the refrigerator due to the cream cheese frosting. It will keep beautifully for up to 5 days.
- Freezing: You can freeze the unfrosted cake layers. Wrap them tightly in plastic wrap, then foil, and freeze for up to 3 months. Thaw in the fridge before frosting.
Recipe Notes / What I Learned
This is a true "project" bake. It has many components, but none of them are particularly difficult. The key to this entire recipe is temperature control: room-temp ingredients for the cake/frosting, cold ingredients for the crumble, and completely cooled components for assembly. Trust the process, make it over two days, and you will have one of the most impressive and delicious cakes you've ever made.
Nutrition Snapshot
Estimated Nutrition Per Slice (1/16th of cake): ~690 calories · 7g protein · 95g carbs · 34g fat (This is an approximation for a very decadent dessert, as it's high in sugar, butter, and cream.)
Salted Caramel Apple Crumble Cake
Equipment
- 3 (8") round pans
- Parchment paper
- Stand mixer
- Large pan for apple filling
- Small bowl
- Medium bowl for crumble
- Whisk
- Baking sheet
- Heatproof spatula
- Piping bag
- 1" round tip
- Serrated knife
Ingredients
Group: Spice Cake
- Cooking spray
- 1 ¼ cups packed light brown sugar (250 g.)
- ¾ cup unsalted butter, softened (1 ½ sticks)
- ½ cup granulated sugar (100 g.)
- ½ tsp. kosher salt
- ¼ cup neutral oil
- 4 large eggs, room temperature
- 2 tsp. baking powder
- 2 tsp. pure vanilla extract
- 1 tsp. ground cinnamon
- ½ tsp. baking soda
- ½ tsp. ground ginger
- ½ tsp. ground nutmeg
- ¾ cup apple cider
- 3 cups all-purpose flour, divided (360 g.)
- ½ cup buttermilk
Group: Apple Filling
- 4 Tbsp. unsalted butter
- 3 Granny Smith apples, peeled, cut into 1" cubes
- ½ cup packed light brown sugar (105 g.)
- ½ tsp. ground cinnamon
- ½ tsp. kosher salt
- 2 tsp. cold water
- 2 tsp. cornstarch
Group: Crumble
- 1 ¼ cups all-purpose flour (150 g.)
- ½ cup packed light brown sugar (100 g.)
- ½ tsp. kosher salt
- ½ cup cold unsalted butter, cubed (1 stick)
Group: Assembly
- 2 batches cream cheese frosting
- ¾ cup homemade or store-bought salted caramel sauce, divided
Instructions
- Place a rack in center of oven; preheat to 350°. Grease 3 (8") round pans with cooking spray. Line pans with parchment.
- In the large bowl of a stand mixer fitted with the paddle attachment, beat brown sugar, butter, granulated sugar, and salt on medium-high speed until creamy and lightened in color, 2 to 3 minutes. Add oil and beat until incorporated.
- Add eggs, one at a time, beating to blend after each addition. Add baking powder, vanilla, cinnamon, baking soda, ginger, and nutmeg, and beat 45 seconds longer.
- Add apple cider and one-third of flour and beat on low speed until just combined. Add another third of flour and buttermilk and beat until combined, then add remaining flour and beat just until no dry streaks remain. Divide batter among prepared pans (about 465 grams per pan).
- Bake cakes until risen and springy to the touch and a tester inserted into the center comes out with moist crumbs attached, 22 to 28 minutes. Let cool completely before removing from pans.
- In a large pan over medium heat, melt butter. Stir in apples, brown sugar, cinnamon, and salt and bring to a simmer over medium-high heat. Reduce heat to medium and simmer, stirring occasionally, until the apples are just tender, about 10 minutes.
- In a small bowl, whisk 2 teaspoons water and cornstarch. Pour slurry over apples and stir to incorporate. Return to a simmer and cook until slightly thickened, about 1 minute more. Let cool completely.
- In a medium bowl, whisk flour, brown sugar, and salt until combined. Add butter and toss until all butter cubes are coated in flour mixture.
- With clean hands, continue to toss, smushing butter between your fingertips, until butter is flattened into large shards. Continue to toss, rubbing butter into finer and finer pieces, until mixture resembles coarse cornmeal and holds together in lumps if pressed.
- Spread crumble mixture onto a parchment-lined baking sheet and freeze 10 minutes.
- Preheat oven to 350°. Bake crumble from frozen 10 minutes. Remove from oven and toss with a heatproof spatula to redistribute. Continue to bake until lightly browned, 5 to 10 minutes more (crumble will crisp as it cools). Let cool.
- If cream cheese frosting has been chilled, place in the large bowl of stand mixer fitted with the paddle attachment. Beat on medium-high speed until smooth and pliable, about 30 seconds.
- Transfer 1 ½ cups frosting to a piping bag fitted with a 1" round tip. Set remaining frosting aside.
- If caramel sauce is cold and stiff, heat in the microwave in 15-second increments until smooth and pourable.
- Using a serrated knife, level tops of cooled cakes. Discard (or eat!) trimmings.
- Place 1 cake layer on a platter. Spread top with an even layer of frosting (about ¾ cup). Pipe a ring of frosting around edge of cake, then pipe another ring of frosting directly on top of that ring, creating a tall dam to hold the fillings in. Fill with 1 cup apple filling. Sprinkle with ½ cup crumble. Drizzle crumble with 2 tablespoons caramel.
- Place another cake layer on top. Spread top with an even layer of frosting. Pipe a double-stacked ring of frosting around edge of second layer as before. Fill with 1 cup apple filling, ½ cup crumble, and 2 tablespoons caramel. Place third cake layer on top smooth side up.
- Frost top and sides of cake with a thin coat of frosting, then refrigerate at least 2 hours or up to overnight. Refrigerate remaining frosting.
- When ready to finish, stir remaining frosting until smooth and pliable. Apply a clean layer of frosting over crumb coat. Drizzle with remaining ½ cup caramel, then top with remaining crumble.
Notes
Nutrition
FAQs
Can I use a 9-inch cake pan instead of 8-inch?
Yes, but your layers will be much thinner, and you will need to reduce the baking time by 5-8 minutes.
Can I make this gluten-free?
Yes! This recipe will work well with a high-quality 1-to-1 gluten-free baking blend (one that contains xanthan gum) in place of the all-purpose flour for the cake, filling, and crumble.
Can I use store-bought apple pie filling?
I would not recommend it. Canned pie filling is often very goopy, overly sweet, and will not have the fresh, tart bite of the homemade filling, which is essential to balance this rich cake.
