Hungarian Marble Cake (Kuglopf) - cooking recipe

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)

Preparation

Preheat the oven to 275F Spray a bundt baking pan with Pam and dust with flour then set aside.
In a large bowl, combine all of the ingredients together except for the egg whites. and cocoa powder.
Whip the egg whites until stiff peak forms. Gently fold the egg whites into the batter until incorporated.
Place half of the batter in the bundt pan. To the remaining batter, add the cocoa powder, folding just until incorporated.
Place the chocolate batter on top of the white batter in the bundt pan. Using a knife, gently swirl it to create the marble effect.
Bake for approximately 60 minutes at 275F, or until a cake tester comes out clean.
Remove from oven and cool the cake in the pan on a rack for 10 minutes.
After 10 minutes, remove the cake from the pan and place it on the rack to completely cool. Dust with icing sugar if desired.