Western desserts - Vanilla and Chocolate Cake

Vanilla and Chocolate Cake

2 cups flour

200 grams butter

4 eggs

1 cup sugar

1 tablespoon orange zest

1 cup orange juice

Vanilla

2 teaspoons baking powder

2 tablespoons cocoa

For the ganache:

250 grams chocolate

1 carton of whipped cream

For the topping:

Nuts as desired

Dried oranges