Hungarian Marble Cake (Kuglopf) – Recipe Wise

Ingredients

• 9 large eggs , separated
• 1 1/2 cups granulated sugar
• 1 1/2 cups all-purpose flour
• 1 lemon zest
• 1/2 cup orange juice
• 1/4 cup vegetable oil
• 1 teaspoon baking powder
• 8 -9 tablespoons cocoa powder
• icing sugar , for dusting ( optional )