Fennel & Mandarin Olive Oil Cake with Mascarpone Chantilly Recipe
Fennel and EVOO are two of the most deeply rooted flavors of Southern Italy — delicate, elegant, and quietly aromatic. But this cake was also inspired by mikan, the Japanese mandarin, whose name carries its own cultural identity and connects two culinary worlds through a single ingredient. Fennel and mikan. Italian and Japanese. Together they create something that feels both ancient and completely new.
The olive oil keeps the crumb impossibly moist in a way that butter never could — a technique rooted in Southern Italian baking tradition. The mandarin zest is massaged directly into the sugar before anything else is added, releasing its essential oils and infusing every bite with bright citrus fragrance.
Simple. Elegant. Exactly right.
フェンネルとマンダリンのオリーブオイルケーキ
recipe by victoria casella
Meet the Ingredients
PanAngeli Vanillina — a traditional Italian vanilla powder used in Italian baking for generations. Where American vanilla (Madasgar-Burbon vanilla) is deep, rich, and caramel-like, Italian vanillina is sweeter, lighter, slightly citrusy, and refreshing — a completely different character that is distinctly Italian. One packet equals approximately 1 tsp of American vanilla extract. Available at Italian specialty stores or online.
Mikan — the Japanese mandarin orange — is one of Japan's most beloved fruits, carrying deep associations with home, family, and the warmth of winter gatherings. The same fruit, seen through two different cultures.
Ingredients
— 1½ cups AP flour
— 1 tsp baking powder
— ½ tsp baking soda
— Pinch of salt
— 2¾ tsp whole fennel seeds, toasted then finely ground
— 2 packets PanAngeli vanillina
— Scant ¾ cup granulated sugar
— ¼ cup light brown sugar
— Zest of 4 mandarins and 1 navel orange
— 3 large eggs, room temperature
— ½ cup extra virgin olive oil
— ¼ cup full fat Greek yogurt
— ½ cup fresh mandarin juice
— ¼ cup buttermilk
Mascarpone Chantilly
— 1 cup heavy cream
— 8 oz mascarpone, room temperature
— ¼ cup powdered sugar
— 1 tsp Madagascar Bourbon vanilla bean paste
— Pinch of fine sea salt
To Finish
— Fresh mandarin zest
— Delicate fennel frond
— Toasted pine nut
Method — 手順
Makes 8–10 individual mini loaves — 3.75 x 2.35 x 1.3 inch cavities
01. Toast the Fennel
Toast fennel seeds in a dry skillet over medium low heat, swirling constantly, until deeply fragrant — about 2 minutes. Cool completely then grind finely. Set aside.
02. Prepare the Citrus Sugar
Combine both sugars with all the mandarin and orange zest. Using your fingertips massage the zest into the sugar until it is fragrant, deeply golden, and slightly damp. This step is essential — it releases the essential oils from the zest and infuses every bite of the cake with bright citrus fragrance. Do not skip it.
03. Build the Wet
Add eggs to the citrus sugar and whisk until combined. Add olive oil, Greek yogurt, mandarin juice, and buttermilk. Whisk until smooth.
04. Combine
In a separate bowl whisk together flour, baking powder, baking soda, salt, ground fennel, and vanillina. Add dry ingredients to wet and mix until just combined — do not overmix or overdevelop the gluten. The batter should be smooth and pourable.
05. Bake
Preheat oven to 350°F. Divide batter evenly among individual mini loaf cavities. Bake 15–20 minutes until golden, springy to the touch, and a toothpick inserted in the center comes out clean. Cool completely before finishing.
06. Make the Mascarpone Chantilly
Mascarpone must be at room temperature — this is essential. Cold mascarpone will not incorporate smoothly and will leave lumps in the cream. Combine heavy cream, room temperature mascarpone, powdered sugar, vanilla bean paste, and a pinch of salt. Whip to medium to stiff peaks.
07. Finish
Pipe mascarpone Chantilly onto each cooled mini loaf using a Wilton 104 petal tip. To create the ribbon piping effect apply even pressure on the piping bag and move your hand back and forth in a zigzag motion across the top of the cake. Scatter fresh mandarin zest over the top. Finish with a delicate fennel frond.
RECIPE NOTES
This cake can be made ahead — cover and store at room temperature. Pipe the chantilly just before serving.
The fennel seeds are toasted before grinding — toasting brings out and enhances their natural flavor, blooming the essential oils inside the seed that would otherwise remain dormant. Never skip the toast.
Always add a pinch of salt to desserts. Salt is not there to make something taste salty — it is there to bring out and enhance the flavors and sweetness already present. It makes everything taste more like itself.
When combining the dry ingredients into the wet, mix until just combined — no further. Overmixing develops the gluten in the flour which results in a tough, dense cake rather than a light, moist one. The moment you no longer see dry flour stop mixing. You can mix by hand or use a KitchenAid mixer — if using the KitchenAid use the whisk attachment.
The acid from the yogurt, buttermilk, and mandarin juice works with the baking powder to create an exceptionally light, tender crumb. The acid in these ingredients also break down the proteins in the flour making for a tender cake.
Olive oil cakes (or oil-based cakes) stay moist in a way that butter cakes cannot — oil is 100% fat and a liquid at room temperature, while butter is an emulsion of fat and water and a solid at room temperature. And that difference is everything.
A note on the citrus: my recipe calls for the zest of four mandarins and one navel orange. The navel orange is not there to add orange flavor — it is there to intensify the mandarin. Navel orange zest carries a deeper, more concentrated citrus oil that amplifies and strengthens the mandarin without competing with it. One orange. Four mandarins. The orange disappears into the background and makes everything else taste more like itself.
PanAngeli vanillina is an Italian vanilla powder with a distinct warmth closely tied to Italian pastry tradition. Available at Italian specialty stores or online. If unavailable substitute 1 tbsp Madagascar Bourbon vanilla bean paste.
A note on chantilly: chantilly cream is essentially a sweetened whipped cream — but it is sweetened with powdered sugar instead of granulated sugar. Powdered sugar is used because it dissolves completely into the cream creating a smoother, more refined texture. Granulated sugar can leave a slightly gritty finish and does not incorporate as cleanly. Powdered sugar also helps the cream hold its structure better once whipped.
The mascarpone must be at room temperature before making the chantilly. If cold it will not incorporate smoothly and the cream will be lumpy rather than silky. Do not skip this step.
Mascarpone acts as a natural stabilizer in this chantilly — it prevents the cream from collapsing after piping and allows it to hold its shape cleanly without the need for any artificial stabilizers. This is why mascarpone chantilly holds up so beautifully on a plated dessert.
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