Japanese Soufflé Cotton Cheesecake

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Why This Recipe Works

Traditional cheesecake is dense. Japanese soufflé cheesecake is its airy, shy cousin. The secret is a meringue folded into a cream cheese base, then baked in a water bath at a low temperature. This recipe balances:

• Creaminess from full-fat cream cheese

• Fluffiness from stiff-peak egg whites

• Steam from the water bath (prevents cracking)

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Ingredients

For the Cream Cheese Base:

• 8 oz (226 g) full-fat cream cheese, softened to room temperature

• ¼ cup (60 ml) whole milk

• 3 tbsp (42 g) unsalted butter

• 3 large egg yolks (room temperature)

• ¼ cup (30 g) all-purpose flour

• 2 tbsp (15 g) cornstarch

• 1 tbsp (15 ml) fresh lemon juice

• ½ tsp vanilla extract

For the Meringue:

• 4 large egg whites (room temperature) – *you’ll use 3 from the yolks above + 1 extra white*

• ¼ tsp cream of tartar (or ½ tsp white vinegar)

• ½ cup (100 g) superfine sugar (regular granulated is fine)

For the Pan & Water Bath:

• Boiling water (enough to fill a roasting pan 1 inch deep)

• Butter or parchment paper for the cake pan

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Equipment Needed

• 8-inch round cake pan (3 inches high) – springform preferred, but solid works

• Parchment paper

• Large roasting pan (big enough to hold the cake pan)

• Electric hand mixer or stand mixer

• 2 large mixing bowls

• Fine-mesh sieve

• Rubber spatula

• Instant-read thermometer (optional but helpful)

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Instructions (Step-by-Step)

Phase 1: Prep & Temperature — Intensity: Low

1. Preheat your oven to 300°F (150°C).

2. Place an oven rack in the lower-middle position.

3. Cut a round of parchment paper for the bottom of your cake pan. Cut a tall strip to line the sides (above the rim by 1 inch).

4. Wrap the outside of your cake pan tightly with 2 layers of heavy-duty aluminum foil (to prevent water bath seepage if using a springform).

5. Separate your eggs while cold, then bring whites and yolks to room temperature (about 20 minutes).

Phase 2: Cream Cheese Base — Intensity: Medium

6. In a small saucepan over low heat, combine cream cheese, milk, and butter. Stir constantly until melted and smooth. Do not boil.

7. Remove from heat. Pour mixture into a large mixing bowl.

8. Whisk in egg yolks, one at a time, until fully incorporated.

9. Add lemon juice and vanilla. Whisk.

10. Sift the flour and cornstarch directly into the bowl. Whisk gently until just combined—no dry streaks remain. The batter will be thick, like loose pudding.

Phase 3: The Meringue — Intensity: High (arm workout)

11. In a clean, grease-free bowl, beat egg whites and cream of tartar on medium speed until frothy (about 1 minute).

12. Increase speed to medium-high. Gradually add sugar, 1 tablespoon at a time, over 2 minutes.

13. Continue beating until stiff peaks form: when you lift the beater, the peak stands straight up with a very slight bend at the tip. Do not overbeat into dry clumps.

14. The meringue should look glossy, not grainy.

Phase 4: Folding — Intensity: Medium (focus required)

15. Add one-third of the meringue to the cream cheese base. Fold using a rubber spatula: cut down the middle, scrape along the bottom, lift and flip over the top. Rotate the bowl.

16. Add the second third. Fold 10-12 strokes.

17. Add the remaining meringue. Fold gently until no white streaks remain—but do not deflate. The batter should be airy and billowy.

Pro test: The batter should ribbon off the spatula and settle back into itself in about 5 seconds. If it disappears instantly, it’s too runny (overmixed).

Phase 5: Bake in Water Bath — Intensity: Low (careful)

18. Pour batter into prepared pan. Tap pan on counter 3 times to release large bubbles.

19. Smooth the top with the spatula.

20. Place the foil-wrapped pan inside the large roasting pan.

21. Pour boiling water into the roasting pan until it reaches halfway up the sides of the cake pan (about 1 inch deep).

22. Carefully transfer to the oven.

Phase 6: The Bake & Cool — Intensity: Patience

23. Bake at 300°F (150°C) for 20 minutes.

24. Reduce temperature to 250°F (120°C) and bake for another 35 minutes.

25. Turn off the oven. Leave the cake inside, door closed, for 1 hour and 15 minutes. This gradual cooling prevents collapse.

26. Remove cake from water bath. Unwrap foil.

27. Run a thin knife around the edge. Invert onto a plate, then reinvert onto a serving plate.

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The Last of the Recipe (Final Tips)

Don’t skip these:

• Room temperature ingredients are non-negotiable. Cold egg whites won’t whip to full volume.

• Do not open the oven during the first 50 minutes. Cold air = fallen soufflé.

• Your cake will rise beautifully, then fall slightly as it cools. That’s not failure—that’s cotton cheesecake.

• If the top cracks: your oven was too hot, or you cooled too fast. Still delicious.

Storage:

• Refrigerate for at least 4 hours before serving (best overnight).

• Keeps 3 days in the fridge, covered lightly with plastic.

• Do not freeze – texture becomes rubbery.

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Nutrition Information

*Per serving (1 slice, based on 9 slices – 8-inch cake)*

Note: Nutrition is an estimate using full-fat cream cheese, whole milk, and standard sugar. Does not include optional toppings.

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Name.Recipe. (Metadata for SEO & Sharing)

Recipe Name: Japanese Soufflé Cotton Cheesecake
Slug: japanese-souffle-cotton-cheesecake
Category: Dessert / Japanese Baking
Cuisine: Japanese
Dietary Tags: Vegetarian, Nut-Free
Course: Dessert / Afternoon Tea