Marble Sponge Cake

by Editorial Staff

Summary

Prep Time	20 mins
Total Time	20 mins
Course	Baking
Cuisine	European
Servings (Default: 1)

Ingredients

Instructions

Preheat the oven to 190 ° C.
Mix the butter with the powdered sugar and egg yolks until foamy, stir in the flour and baking powder. Beat egg whites with sugar until stiff and fold into the prepared dough. Remove some of the batter and fold in the cocoa.
Butter a large round sponge cake tin or a springform tin with a chimney and sprinkle with breadcrumbs. Put half of the light dough into the mold, then put the dark dough on top and finally the remaining light dough, pull through briefly with a fork.
Put in the oven and bake for about 50 minutes.

About Editorial Staff

The Boss Kitchen editorial staff oversees content review, fact-checking, and recipe verification across the site. Published articles pass through the editorial team before going live, ensuring ingredient lists, techniques, cooking times, and nutritional claims hold up in a home kitchen. The team coordinates contributions across the site writers, handles reader corrections, and maintains consistency in measurement conventions, safety guidance, and dietary labeling. Posts under this byline typically represent team-reviewed reference material, site announcements, or editorial roundups rather than individual-author features, and they are held to the same sourcing standards as bylined recipe and product coverage.