Dark Beer › Amundsen - Donut Series - Boston Cream Custard - Pastry Stout - 11.5% - 440ml Image 1 of 1 Amundsen - Donut Series - Boston Cream Custard - Pastry Stout - 11.5% - 440ml £7.50 Pastry stout with milk chocolate, vanilla custard and sticky toffee sweetness from Amundsen's Donut Series 2.0. Quantity: Add To Cart Added! Pastry stout with milk chocolate, vanilla custard and sticky toffee sweetness from Amundsen's Donut Series 2.0.