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Speckled Robin’s Egg Cake Roll

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A light and whimsical spring-inspired cake roll with a robin’s egg blue sponge, filled with fluffy vanilla whipped cream and finished with playful cocoa speckles.

Ingredients

  • All-Purpose Flour: 3/4 cup – provides structure while keeping the sponge light.
  • Granulated Sugar: 3/4 cup – sweetens the batter and helps stabilize the egg foam.
  • Large Eggs: 4 – separated; yolks add richness, whites create lift.
  • Whole Milk: 1/4 cup – adds moisture and richness to the batter.
  • Vegetable Oil: 1/4 cup – keeps the cake tender.
  • Vanilla Extract: 1 teaspoon – enhances the overall flavor.
  • Blue Gel Food Coloring: A few drops – for that perfect robin’s egg hue.
  • Cream of Tartar: 1/4 teaspoon – stabilizes the egg whites.
  • Heavy Whipping Cream: 1 cup – for the silky smooth filling.
  • Powdered Sugar: 2 tablespoons – gently sweetens the whipped cream.
  • Cocoa Powder + Water: 1 teaspoon each – mixed to flick speckles over the cake.
  • Optional: Confectioners’ Sugar: For dusting before serving.

Instructions

  1. Preheat Your Equipment: Preheat oven to 350°F (175°C). Line a jelly roll pan with parchment paper and lightly grease.
  2. Combine Ingredients: In one bowl, whisk egg yolks, half the sugar, oil, milk, vanilla, and food coloring. In another, whip egg whites with cream of tartar and remaining sugar until stiff peaks form. Fold whites into yolk mixture. Sift in flour and fold until smooth.
  3. Prepare Your Cooking Vessel: Pour batter into the pan and spread evenly with an offset spatula.
  4. Assemble the Dish: Bake for 10–12 minutes until cake springs back when touched. Remove from oven, invert onto a towel dusted with powdered sugar, peel off parchment, and roll with towel. Cool completely.
  5. Cook to Perfection: Whip heavy cream with powdered sugar until stiff. Unroll cooled cake and spread cream evenly.
  6. Finishing Touches: Re-roll cake. Mix cocoa and water, flick speckles over cake surface with a brush or toothbrush.
  7. Serve and Enjoy: Slice cleanly and serve chilled or at room temperature.

Notes

  • Roll sponge while warm to prevent cracking.
  • Use natural food dye for a plant-based option.
  • Add citrus zest to whipped cream for flavor variety.
  • Wrap and refrigerate for up to 3 days or freeze for up to a month.

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