Rasmalai Tres Leches Cake

Name: Rasmalai Tres Leches Cake
Cuisine: European
Ingredients: A few strands of saffron; 80 ml whole milk, warm; 5 egg whites; 1/2 teaspoon cream of tartar; 80 g granulated sugar; 5 egg yolks; 1 teaspoon cardamom powder; 150 g plain flour; 2 teaspoons baking powder; 1/8 teaspoon salt; 400 ml whole milk; 8 cardamom pods; 1 x 397 g can condensed milk; 1 x 410 g can evaporated milk; 600 ml double cream; 150 g icing sugar; 1 teaspoon vanilla extract; Some chopped pistachios, to sprinkle on top (optional)