Custardy pastry is a type of dessert that can be made in many different ways. The two crossword solutions for the term custardy pastry are FLAN and NAPOLEON. FLAN is a Spanish dessert made with eggs, milk, sugar, and vanilla. It is usually baked in a round dish and served with a caramel sauce. NAPOLEON is a French pastry made with layers of puff pastry and custard cream. It is often topped with icing or powdered sugar.