Chocolate marble cake

       Ingredients Batter 5 eggs 12 tbsp granulated sugar 8 tbsp corn (vegetable) oil 4 tbsp sour cream (or 8 tbsp milk) 12 tbsp all purpose flour 1 tsp vanilla extract 2 tbsp fine dark cocoa powder Chocolate glaze 50 g dark chocolate (78% cocoa) 3 tbsp butter 4 tbsp condensed milk        Method Preheat…