Melt the butter in the microwave, about 1 minute. In a large bowl add the yellow cake mix, the first box of instant pistachio pudding mix, eggs, club soda and melted butter. Stir until fully mixed ...

Powdered sugar 75 g Orange juice 15 g (spremuta) Orange peel 0.5 To make the orange bundt cake, first butter the bundt pan (1) and sprinkle the pistachio crumbs (2) until it is fully covered (3).