Bolo de Bolacha, also known as Portuguese biscuit cake, is a popular dessert in Portugal. It is made by layering Maria biscuits (a type of sweet biscuit) soaked in coffee and a creamy mixture made from condensed milk, butter, and coffee. The cake is then chilled until set and can be garnished with chocolate shavings or cocoa powder. Bolo de Bolacha is a simple yet delicious dessert that is loved by both children and adults.