Pin It A stunning, show-stopping dessert centerpiece inspired by the elegance of diamond engagement rings. This creative cake features layers of vanilla sponge, rich white chocolate mousse, and a sparkling jewel-like glaze, perfect for celebrations.
This cake has been my go-to for special occasions when I want to impress guests with something both beautiful and delicious.
Ingredients
- Sponge Cake: 4 large eggs, 120 g granulated sugar, 120 g all-purpose flour, 1/2 tsp vanilla extract, 1/4 tsp salt
- White Chocolate Mousse: 200 g white chocolate chopped, 300 ml heavy cream divided, 2 sheets gelatin (or 5 g powdered gelatin), 1 tsp vanilla extract
- Mirror Glaze: 200 g white chocolate chopped, 150 g granulated sugar, 100 ml water, 100 g sweetened condensed milk, 8 g powdered gelatin, Food coloring (silver pearl or pastel tones)
- Decoration: Edible silver leaf, Edible glitter, Sugar pearls or edible jewels
Instructions
- Step 1:
- Preheat your oven to 170°C (340°F). Grease and line a large ring-shaped cake pan or a standard cake pan with a small round cutter in the center to create a ring shape.
- Step 2:
- For the sponge Whisk eggs and sugar in a stand mixer until pale and tripled in volume (about 8 minutes). Gently fold in sifted flour vanilla and salt. Pour into the pan and smooth the surface. Bake for 25 30 minutes or until a toothpick comes out clean. Cool completely.
- Step 3:
- For the mousse Soften gelatin in cold water for 5 minutes. Melt white chocolate over a bain-marie or in the microwave. Heat 100 ml cream to just simmering then dissolve the gelatin in it. Pour over melted chocolate stirring until smooth. Cool to room temperature. Whip remaining cream to soft peaks and fold into the chocolate mixture with vanilla.
- Step 4:
- Slice the cooled cake horizontally into two layers. Place the bottom layer in a clean ring mold (or springform pan) spread half the mousse add the top layer and cover with remaining mousse. Smooth the top and freeze for 2 hours.
- Step 5:
- For the glaze Soften gelatin in cold water. Combine sugar water and condensed milk in a saucepan bring just to a boil then remove from heat. Stir in gelatin to dissolve then pour over white chocolate. Let sit 2 minutes then blend until smooth. Add food coloring for a jewel-like sheen. Cool glaze to 32°C (90°F).
- Step 6:
- Remove cake from freezer and unmold onto a wire rack. Pour mirror glaze evenly over the frozen cake letting excess drip off. Decorate immediately with edible silver leaf glitter and sugar pearls to mimic a diamond rings sparkle.
- Step 7:
- Chill the finished cake in the refrigerator for 1 hour to set. Slice and serve.
Pin It This dessert always brings my family together, sparking joy and plenty of compliments around the table.
Required Tools
Stand mixer or hand mixer, ring cake pan or springform pan, mixing bowls, saucepan, wire rack, offset spatula, thermometer (for glaze)
Allergen Information
Contains eggs dairy and gluten (wheat). May contain soy (in some chocolate). Check all decorations for nut and gluten traces if allergies are a concern.
Nutritional Information
Per serving: Calories 410, Total Fat 23 g, Carbohydrates 47 g, Protein 6 g
Pin It This diamond ring cake dazzles both the eyes and the palate perfect for your next celebration.
Recipe FAQs
- → How do I achieve the perfect sponge texture?
Whisk the eggs and sugar until tripled in volume for a light and airy sponge, then gently fold in the sifted flour to maintain its fluffiness before baking.
- → What is the best way to melt white chocolate for the mousse?
Melt the white chocolate slowly over a bain-marie or in short bursts in the microwave to prevent burning, stirring frequently until smooth.
- → How should the gelatin be handled for mousse and glaze?
Soften gelatin sheets or powder in cold water before dissolving in warm liquids to ensure smooth integration without lumps.
- → How is the mirror glaze prepared to achieve a shiny finish?
Combine sugar, water, condensed milk, and gelatin with melted white chocolate, cool to around 32°C, then pour gently over the chilled cake for a smooth, reflective surface.
- → What decorations enhance the jewel-like appearance?
Use edible silver leaf, glitter, and sugar pearls or edible jewels to mimic the sparkle of a diamond ring, applied immediately after glazing.
- → Can I add fruit flavors without altering the structure?
Yes, a thin layer of raspberry or passion fruit jam between sponge and mousse adds a fruity twist without compromising texture.