The Cake That Hides
I have a funny story about this cake. The first time I made it, my grandson peeked in the oven. He said, “Grandma, that’s just a pan of apples!” He didn’t see the cake part at all. That’s the magic. The batter is just a thin glue holding all those sweet slices together. I still laugh at that.
Why does this matter? Well, it teaches us that simple things can be surprising. You don’t always need a big, fluffy cake to make something wonderful. Sometimes, less is more. What’s the most surprising dessert you’ve ever seen or tasted?
Apples Are the Star
Let’s talk apples. You need the tart kind, like Granny Smiths. Their little bite balances all the sweetness. Slicing them thin is the secret job. A mandoline makes it easy. Fun fact: This cake is called “Gâteau Invisible.” That’s French for “invisible cake!” It looks like just apples, but the cake is hiding in there.
You fold all those slices into the thick batter. It feels like you’re mixing a puzzle. Then you let it sit. The apples get cozy and release their juice. This makes the batter just right. Doesn’t that smell amazing already?
Building Your Slab
Now for the fun part. You layer the coated apples into a loaf pan. Use a slotted spoon so extra batter drips off. Press them in flat. Save your prettiest slices for the top. You lay them down like little shingles on a roof.
It bakes for a long time. Your whole house will smell like cinnamon and sugar. The top gets dark and caramelized. That’s a good sign! When it comes out, you brush it with a tiny bit of apple jelly. This gives it a beautiful shine.
The Cloud on Top
The cake needs to cool completely. This is hard because you’ll want to eat it! Be patient. While you wait, make the whipped cream. This isn’t just any cream. You add dark brown sugar and cinnamon. The brown sugar makes it taste like caramel.
Why does this matter? The creamy, spiced topping is the perfect partner. The cake is dense and fruity. The cream is light and fluffy. Together, they are just right. Do you prefer your desserts warm or cold? I like this one at room temperature.
A Slice of Comfort
When you finally slice it, you’ll see all the layers. Thin apples held together with golden cake. Serve it with a big dollop of that cinnamon cream. It’s not too sweet. It feels special but simple.
It’s a great dessert for sharing. It looks fancy but your hands did all the work. What’s your favorite dessert to make for people you love? Tell me about it. I love hearing your stories almost as much as I love sharing mine.
Ingredients:
| Ingredient | Amount | Notes |
|---|---|---|
| Granulated sugar | ⅔ cup (4⅔ ounces/132 grams) | For the gâteau |
| Vanilla bean | 1 | Seeds scraped for the gâteau |
| Large eggs | 2 | For the gâteau |
| All-purpose flour | ½ cup (2½ ounces/71 grams) | For the gâteau |
| Baking powder | 1 teaspoon | For the gâteau |
| Table salt | ½ teaspoon | For the gâteau |
| Granny Smith apples | 2¼–2½ pounds | Peeled, for the gâteau |
| Apple jelly | 2 teaspoons | Melted, for glazing the gâteau |
| Heavy cream | 1 cup | For the whipped cream |
| Dark brown sugar | 2 tablespoons packed | For the whipped cream |
| Ground cinnamon | ¼ teaspoon | For the whipped cream |

My Magical Apple Slab Cake
Hello, my dear. Come sit at the table. I want to tell you about my favorite cake. It is called a Gâteau Invisible. That means “invisible cake” in French. It is mostly apples, held together by just a whisper of batter. Each slice is a stack of sweet, tender apples. Doesn’t that sound magical? I first had it at my friend Marie’s house years ago. I still laugh at that. I thought she had served me just baked apples! It was so light and wonderful.
We are going to make it together. It is easier than it looks. I promise. You will need a loaf pan and a mandoline for slicing. Be very careful with that mandoline, my love. Always use the guard. (My hard-learned tip: put a damp towel under your cutting board. It keeps it from sliding while you slice!) Now, let’s begin.
Step 1: Start with the sweet batter. Put your sugar in a big bowl. Split a vanilla bean and scrape out the tiny seeds. They look like black dust. Add them to the sugar. Doesn’t that smell amazing? Crack in two eggs and whisk it all smooth. Then whisk in the flour, baking powder, and salt. The batter will be quite thick. That is perfect.
Step 2: Now for the apples. Peel all your Granny Smiths. Use the mandoline to slice them very thin. Slice around the core. Save eighteen pretty slices for the top. Toss all the other slices into your batter. Fold them gently until they are coated. Let this sit for fifteen minutes. The apples will release their juice. This loosens the batter just right.
Step 3: Get your pan ready while you wait. Heat your oven. Line a baking sheet with foil and put it on a lower rack. This catches any drips. Spray your loaf pan. Line it with parchment paper so it hangs over the sides. This makes a sling to lift the cake out later. Lightly grease the paper, too.
Step 4: Stir your apple mixture again. Break up any clumps. Use a slotted spoon to lift apples into the pan. Let extra batter drip back. Lay the slices as flat as you can. Press them down gently. Keep going until all apples are in the pan. You will have a little batter left.
Step 5: Dip your reserved apple slices in the leftover batter. Place them, batter-side down, on top. Make six neat rows. Press down firmly. Spread any last bits of batter over the top. Bake it for about an hour and a half. Your kitchen will smell like heaven. What’s your favorite baking smell? Share below!
Step 6: When the top is golden brown, take it out. Let it cool in the pan a bit. Run a knife along the short sides. Brush the top with melted apple jelly. This gives it a lovely shine. Let it cool completely. Then, use the parchment paper sling to lift it out. Be patient. It needs time to set.
Step 7: Make the whipped cream. Pour cold cream into a bowl. Add the dark brown sugar and cinnamon. Whip it until it forms soft peaks. This cream is the cozy blanket for our cake. Slice the cake with a sharp knife. Serve each piece with a big dollop of cream. Pure happiness on a plate.
Cook Time: 1½–1¾ hours
Total Time: About 4 hours (with cooling)
Yield: 6-8 servings
Category: Dessert, Baking
Three Fun Twists to Try
This cake is like a blank canvas. You can paint it with different flavors. Here are a few ideas I love. They make it feel new every time.
Pear & Ginger: Use firm pears instead of half the apples. Add a teaspoon of grated fresh ginger to the batter.
Maple Walnut: Use maple syrup in place of some sugar. Sprinkle chopped walnuts between the apple layers as you build the cake.
Orange Spice: Add the zest of one orange to the batter. Use a pinch of cardamom with the cinnamon in the whipped cream.
Which one would you try first? Comment below!
Serving It With Style
This cake is a star all on its own. But a little presentation makes it special. For a pretty plate, place a slice on a pool of the cinnamon cream. Add a few thin, fresh apple slices on the side. A sprinkle of cinnamon looks lovely, too. It is wonderful slightly warm with a scoop of vanilla ice cream. The cold and warm mix is divine.
What to drink? For a cozy evening, a hot cup of spiced chai tea is perfect. The spices dance together. For a grown-up treat, a small glass of sweet sherry or a dessert wine pairs beautifully. It sips like liquid autumn. Which would you choose tonight?

Keeping Your Apple Slab Cake Cozy
This cake is best the day it’s made. But leftovers are a treat. Let the cake cool completely first. Wrap it tightly in plastic wrap. It will keep on the counter for two days.
For longer storage, freeze it. Wrap the whole cake or slices in plastic. Then wrap it again in foil. It freezes beautifully for a month. Thaw it overnight on the counter.
I once reheated a slice in the toaster oven. It was warm and smelled like fresh baking. A quick warm-up brings back its magic. You can enjoy it slice by slice.
Batch cooking saves time for busy weeks. Make two cakes and freeze one. Future you will be so grateful. This matters because good food should be easy to share. Have you ever tried storing it this way? Share below!
Simple Fixes for Common Hiccups
First, a soggy bottom. The foil-lined baking sheet is key. It catches drips from the juicy apples. I remember forgetting this step once. My oven smoked a little.
Second, apples that won’t stay coated. Your batter will seem very thick. Let the apple mixture sit for 15 minutes. The juices from the apples will loosen it. This ensures every slice gets a hug of batter.
Third, a cake that sinks. Let it cool in the pan. It will deflate as it should. This matters for the right dense, apple-packed texture. Fixing small issues builds your kitchen confidence. Which of these problems have you run into before?
Your Quick Questions, Answered
Q: Can I make this gluten-free? A: Yes. Use a good gluten-free flour blend. Make sure it has xanthan gum in it.
Q: Can I make it ahead? A: Absolutely. Bake it the day before serving. It tastes even better the next day.
Q: No vanilla bean? A: Use two teaspoons of vanilla extract instead. Add it with the eggs.
Q: Can I double the recipe? A: For a bigger crowd, yes. Use a 9×13 inch baking pan. Your bake time may be a bit longer.
Q: Any optional tips? A: A pinch of nutmeg in the batter is lovely. *Fun fact: nutmeg and apples are old friends.* Which tip will you try first?
From My Kitchen to Yours
I hope you love making this cake. The smell of baking apples is pure joy. It reminds me of my own grandma’s kitchen. I would sit and watch her slice apples.
Now it’s your turn to create memories. Share your story with me. Tell me about your kitchen adventures. Have you tried this recipe? give experience on Comment
Happy cooking!
—Grace Ellington.

Brown Sugar Cinnamon Apple Slab Cake
Description
A stunning, dense apple cake where thin slices of Granny Smith apples are bound in a light batter, baked until golden, and served with a spiced brown sugar cinnamon whipped cream.
Ingredients
Gâteau:
Whipped Cream:
Instructions
- For the gâteau: Place ⅔ cup granulated sugar in large bowl. Cut 1 vanilla bean in half lengthwise. Using tip of paring knife, scrape out seeds and add to sugar. Discard vanilla bean (or reserve for other use). Add 2 large eggs to sugar and whisk until smooth. Whisk in ½ cup all-purpose flour, 1 teaspoon baking powder, and ½ teaspoon table salt until smooth (batter will be thick).
- Using mandoline, slice 1 side of 1 peeled Granny Smith apple ⅒ inch (2½ millimeters) thick until you reach core. Turn apple 90 degrees and slice until you reach core. Continue on remaining 2 sides; discard core. Repeat with remaining apples. Reserve 18 well-shaped slices for top. Add remaining slices to batter and fold gently to coat. Set aside for 15 minutes.
- Meanwhile, adjust oven racks to middle and lower-middle positions. Line rimmed baking sheet with aluminum foil or parchment paper, place on lower rack to catch drips, and heat oven to 350 degrees. Grease 8½ by 4½-inch loaf pan with vegetable oil spray. Line with 8 by 12-inch piece of parchment, smoothing so parchment is flush with pan sides and letting excess hang over long sides of pan. Lightly grease parchment.
- Stir apple mixture, breaking up clumps of slices as needed (batter will have loosened) until all apple surfaces are lightly coated.
- Using large slotted spoon, lift about ¼ cup of apples, letting excess batter drain back into bowl. Transfer apples to prepared loaf pan, keeping most apple slices flat (it’s OK if some fold) and leveling with back of spoon. Continue until all apples have been transferred to pan and 2 to 3 tablespoons of batter remains in bowl.
- Dip 1 side of reserved slices in remaining batter and shingle, batter side down, in 6 rows of 3 slices on top of cake. Press firmly on apples with back of spoon to level. Spread any remaining batter over top and smooth with back of spoon. Bake on upper rack until top is well browned and apples can be easily pierced with skewer, 1½ to 1¾ hours, rotating pan halfway through baking. Transfer to wire rack.
- Run knife around each short side of cake. Brush top with 2 teaspoons melted apple jelly. Let cool for 1½ hours (cake will deflate). Using parchment as sling, carefully lift cake out of pan and place on rack. Let cool completely, at least 2 hours.
- For the whipped cream: Combine 1 cup heavy cream, 2 tablespoons packed dark brown sugar, and ¼ teaspoon ground cinnamon in stand mixer fitted with whisk attachment. Whip on medium-low speed until foamy, about 1 minute. Increase speed to high and whip until soft peaks form, 1 to 3 minutes. Using sharp chef’s knife, slice cake and serve with cream.
Notes
- Ensure apples are sliced very thin for the signature texture. A mandoline is highly recommended. The cake will deflate significantly as it cools—this is normal. It’s best served the day it’s made.