Marble coconut chocolate cake

The recipe of a chocolatey coconuty teatime treat, or my trial to achieve the marbled effect:) Ingredients 50 ml vegetable oil [olive/corn/canola/coconut] 150 ml milk 3 eggs 100 g granulated sugar half cup coconut flakes 3 tablespoons cocoa powder 1/2 teaspoon soda 1 tablespoon freshly squeezed lemon juice 170 g wheat flour pinch of salt Method…