Oma's German Marble Cake

Recipe View 5 mins Preheat oven to 350°F (175°C). Grease and flour a 10-inch tube pan. (5 minutes)

Recipe View 5 mins In a large bowl, cream the softened butter with the sugar until light and fluffy. (5 minutes)

Recipe View 15 mins Beat in the egg yolks, one at a time, continuing to beat for a full 10 minutes until the mixture is pale and thickened. (15 minutes)

Recipe View 5 mins Gradually add the flour, alternating with splashes of milk, beginning and ending with flour. Mix until just combined. (5 minutes)

Recipe View 2 mins Stir in the baking powder until evenly distributed. (2 minutes)

Recipe View 5 mins In a separate clean, dry bowl, beat the egg whites until stiff peaks form. (5 minutes)

Recipe View 5 mins Gently fold the beaten egg whites into the batter in two additions, being careful not to overmix. (5 minutes)

Recipe View 2 mins Reserve 1/4 of the batter in a separate bowl. (2 minutes)

Recipe View 3 mins Sift the cocoa powder into the reserved batter and mix well until evenly combined. (3 minutes)

Recipe View 3 mins Pour the plain batter into the prepared tube pan. Dollop the cocoa batter on top of the plain batter. (3 minutes)

Recipe View 2 mins Use a fork or knife to swirl the cocoa batter into the plain batter, creating a marbled effect. Be careful not to overmix. (2 minutes)

Recipe View 1 hrs 10 mins Bake in the preheated oven for 60-70 minutes, or until a wooden skewer inserted into the center comes out clean. (70 minutes)

Recipe View 10 mins Let the cake cool in the pan for 10 minutes before inverting it onto a wire rack to cool completely. (10 minutes)