Some cakes are showstoppers because they’re overly complicated… this isn’t one of them. This Strawberry Layered Chocolate Cake wins hearts for a completely different reason: it’s shockingly doable while still tasting like something you’d proudly serve at a special celebration. Think deeply chocolatey layers that stay soft for days, a vibrant strawberry filling that doesn’t leak or soak the crumb, and a whipped chocolate-strawberry frosting that feels as light as mousse.
What really sets this recipe apart is how predictable the results are. You don’t need a stand mixer, professional tools, or a decade of baking experience — just a few smart techniques and clear visual cues. And if you’ve ever battled sinking layers, runny fruit fillings, or unstable whipped cream, don’t worry. This version was created after multiple test batches to remove the frustration and leave you with a cake that stacks neatly, slices cleanly, and tastes like a velvety chocolate-covered strawberry in every bite.
Why This Recipe Works
Three science-backed elements make this cake reliable for beginners and intermediate bakers:
- Oil Instead of Butter
Oil coats flour proteins more thoroughly, reducing gluten development. That means a softer crumb that stays moist for days, even when refrigerated with fruit. - Dutch-Process Cocoa + Acid Balance
Dutch-process cocoa is alkalized, giving a deep chocolate flavor without bitterness. Because it isn’t acidic, I balance the pH using buttermilk (or yogurt), which reacts with baking soda to create a controlled lift. This prevents tunneling or gummy centers. - Reduced Strawberry Filling
Fresh strawberries contain 90% water. Boiling them down evaporates excess moisture, intensifies flavor, and prevents the dreaded slipping layers.
The concentrated strawberry base also folds perfectly into whipped cream without deflating it.
This combination gives the cake structure, moisture, and bold flavor — and makes it far more forgiving than butter-based or egg-foaming cakes.
Ingredients (with weights + purpose)

Chocolate Cake Layers (2 × 8-inch / 20 cm pans)
- All-purpose flour — 180g (1 ½ cups) — structure; moderate protein for tender crumb
- Dutch-process cocoa — 60g (¾ cup) — rich flavor, deep color
- Caster sugar — 200g (1 cup) — sweetness + moisture retention
- Light brown sugar — 80g (⅓ cup) — caramel notes + softness
- Baking soda — 4g (1 tsp) — reacts with buttermilk for lift
- Baking powder — 3g (¾ tsp) — secondary leavening for even rise
- Fine salt — 3g (½ tsp) — flavor enhancement
- Large eggs — 2 (room temp) — binding + structure
- Neutral oil — 120ml (½ cup) — moisture
- Buttermilk — 240ml (1 cup) — acidity for tenderness
- Hot coffee or hot water — 120ml (½ cup) — blooms cocoa for deeper flavor
- Vanilla extract — 2 tsp — rounds out chocolate notes
Strawberry Reduction Filling
- Fresh strawberries — 300g (2 cups chopped) — main filling
- Sugar — 40g (3 tbsp) — enhances jamminess
- Lemon juice — 1 tsp — brightness + pectin activation
Strawberry Chocolate Whipped Cream Frosting
- Heavy cream (cold) — 360ml (1 ½ cups) — main stability
- Powdered sugar — 60g (½ cup) — sweetness + body
- Cocoa powder — 15g (2 tbsp) — light chocolate flavor
- Strawberry reduction — 3 tbsp (cooled) — flavor + pink color
- Vanilla — 1 tsp
Equipment
Required:
8-inch pans, whisk + bowls, sieve, kitchen scale, spatula, saucepan, parchment circles, oven/OTG, thermometer (optional but ideal for doneness).
Nice-to-have:
Offset spatula, rotating cake stand, fine-mesh strainer for the strawberry filling, cooling racks.
Step-by-Step Instructions
1. Prep + Preheat
- Preheat oven to 175°C (350°F).
- Grease and line two 8-inch pans with parchment.
Visual cue: Parchment should lie flat without wrinkles to avoid uneven layers.
2. Make the Strawberry Reduction (10–12 minutes)
- Add strawberries, sugar, and lemon to a saucepan.
- Cook on medium, stirring often, until thickened.
Visual cue: Should resemble loose jam; when you drag a spatula through it, the line holds for 1–2 seconds.
Cool completely.
3. Mix Dry Ingredients (2 minutes)

Whisk flour, cocoa, both sugars, baking soda, baking powder, and salt.
Visual cue: No visible cocoa clumps.
4. Add Wet Ingredients (2–3 minutes)
Whisk in eggs, oil, buttermilk, and vanilla.
Visual cue: Thick, smooth, pudding-like batter.
5. Bloom Cocoa with Hot Liquid (1 minute)

Pour hot coffee/water slowly into the batter.
Visual cue: Batter becomes glossy, thin, and pourable — this is correct.
6. Bake (28–33 minutes)

Divide batter evenly into pans.
Bake on the center rack.
Doneness tests:
- Skewer: moist crumbs, not wet batter
- Internal temp: 96–98°C (205–208°F) in center
- Top springs back when lightly pressed
7. Make Frosting (5 minutes)

Whip cream, powdered sugar, cocoa, and vanilla to soft peaks.
Fold in 3 tbsp cooled strawberry reduction.
Visual cue: Peaks should bend like a hook, not stand straight (that means overwhipped).
8. Assemble

- Level layers if needed.
- Spread a thin layer of frosting, then spoon a 2–3 tbsp ring of strawberry reduction in the center (avoid the very edges).
- Add second layer and frost outside.
Visual cue: Frosting should glide smoothly; if grainy, cream was overwhipped.
Troubleshooting Guide (7 key issues)
1. Cake sinks after cooling
- Causes: Too much leavening, underbaked center, cold draft.
- Fix: Bake to 96–98°C; reduce baking soda by 1g next time.
2. Dry, crumbly cake
- Causes: Too much flour (scooping instead of weighing), overbaking.
- Fix: Always weigh flour; shorten bake by 3 minutes.
3. Gummy or dense centers
- Causes: Wet reduction added warm, under-mixed dry ingredients.
- Fix: Cool strawberry reduction fully; whisk dry ingredients thoroughly.
4. Tunneling holes in crumb
- Causes: Overmixing or too much leavening.
- Fix: Mix only until combined; double-check baking soda grams.
5. Cracked tops
- Causes: Oven too hot.
- Fix: Use an oven thermometer; bake at true 175°C.
6. Frosting collapses
- Causes: Warm cream or too much reduction.
- Fix: Use cream straight from fridge; limit strawberry to 3 tbsp.
7. Layers slide during stacking
- Causes: Filling too wet or too much.
- Fix: Reduce filling further; pipe a buttercream “dam” if needed.
Substitutions + Variations
Egg-Free Version
- Replace 2 eggs with 120g yogurt.
- Add +1g baking powder.
Note: Crumb becomes slightly denser but still moist.
Dairy-Free Version
- Use almond milk + 1 tbsp vinegar for buttermilk.
- Use coconut cream (chilled) for whipped topping.
Note: Frosting will be softer; chill cake well before slicing.
Gluten-Free Version
- Use a 1:1 gluten-free baking blend (with xanthan gum).
Note: Cake may brown faster; tent with foil at the 20-min mark.
Flavor Variations
- Add ½ tsp espresso powder to deepen cocoa.
- Add orange zest to the frosting for chocolate-orange vibes.
- Swap strawberries for raspberries (reduce longer for thicker jam).
Scaling Table
| Pan Size | Multiply Recipe By | Notes |
|---|---|---|
| 6-inch | 0.75× | Bake 25–28 minutes |
| 8-inch | 1× | As written |
| 12 cupcakes | 1× | Bake 17–20 minutes |
Storage + Make-Ahead
Room Temperature
- 24 hours (covered). Fruit filling shortens shelf life.
Refrigerator
- Up to 4 days in an airtight box.
- Bring slices to room temp 20–30 minutes before serving for soft crumb.
Freezer
- Cake layers (unfrosted): freeze up to 2 months double-wrapped.
- Frosted cake with filling: freeze up to 3 weeks.
Thaw: Overnight in fridge; never thaw frosted cakes at room temp (risk of weeping frosting).
What Not to Freeze
- Strawberry whipped cream alone — it becomes grainy after thawing.
Serving Suggestions
- Add fresh strawberries or chocolate curls on top.
- Pair with a drizzle of warm ganache if you want a richer finish.
- Serve with berry compote for added acidity and freshness.
FAQs
1. Can I use natural cocoa instead of Dutch-process?
Yes, but reduce baking powder by ¼ tsp and expect a lighter color and sharper cocoa flavor.
2. How do I stop my cake from doming?
Use baking strips or lower oven temp to 170°C (340°F).
3. Can I halve the recipe?
Yes — bake in one 8-inch pan for 32–36 minutes.
4. What’s the best oil for chocolate cake?
Neutral oils like canola, sunflower, or grapeseed give clean flavor.
5. Can I bake this in an OTG or air fryer?
OTG: same temp, but preheat 15 minutes.
Air fryer: 150°C (300°F), bake 22–26 minutes in a deep pan.
Notes From My Kitchen (Testing Log)
- Batch 1: Cake too dense. Learned that cooling reduction fully prevents gummy centers.
- Batch 2: Frosting unstable. Reduced strawberry from 4 tbsp → 3 tbsp. Perfect.
- Batch 3: Tried natural cocoa. Flavor sharper, crumb slightly drier — stuck with Dutch-process.
- Batch 4: Increased brown sugar; resulted in softer crumb and better moisture.
- Final Method: Balanced cocoa bloom with hot coffee, used reduced strawberry for controlled hydration, and kept frosting to soft-peak stage for smooth stacking.
Nutrition + Disclaimer
Approx. per slice (1 of 12): ~310–360 kcal depending on frosting amount.
Values are estimates; adjust based on brands and portion size. Follow safe food-handling practices, especially with dairy and fresh fruit.
Final Thoughts
This Strawberry Layered Chocolate Cake combines approachable techniques with bakery-quality results. Whether you’re baking for a birthday, holiday, or just because chocolate and strawberries belong together, this recipe gives you reliability, clarity, and a tender crumb every time. With the tested notes, troubleshooting tips, and flexible substitutions, you can adapt this cake to your kitchen setup and skill level without stress.