Pauline, Gweyn and I went swimming. Dived a little. Sure hot today. Mother baked a marble cake.
A marble cake is a cake with a streaked or mottled appearance (like marble) achieved by very lightly blending light and dark batter. It can be a mixture of vanilla and chocolate cake, in which case it is mainly vanilla, with streaks of chocolate. Other possibilities are strawberry or other fruit flavors, or (particularly in marbled coffee cakes) cinnamon and/or other spices.