How Do You Make Serradura? Serradura is a delightful dessert that captures the essence of the Iberian Peninsula's culinary traditions. This creamy treat, often referred to as sawdust pudding ... Serradura (Sawdust Pudding) is a Portuguese dessert which consists of a combination of sweetened whipped cream and powdered tea biscuits. Originated in Portugal, serradura means "sawdust", a layered dessert of crushed Marie biscuits and whipped cream. Rich, creamy, simple and extremely easy to make. Serradura, sometimes called Portuguese sawdust pudding, is a sweet and creamy dessert that dazzles at dinner parties. Its name, which means “sawdust” in Portuguese, refers to the fine crumbs of biscuit folded into whipped cream.