Sour, Saison and Fruit Beers › Yonder Brewing - Apple Blackberry Toasted Oat Crumble - Pastry Sour - 6.5% - 440ml Image 1 of 1 Yonder Brewing - Apple Blackberry Toasted Oat Crumble - Pastry Sour - 6.5% - 440ml £5.75 A pastry sour inspired by fruit crumble, combining sweet stewed apples, ripe blackberries, warming spices, and a toasted oat crumble crust. Quantity: Add To Cart Added! A pastry sour inspired by fruit crumble, combining sweet stewed apples, ripe blackberries, warming spices, and a toasted oat crumble crust.