Queijadas de Sintra are a traditional Portuguese pastry that originated in the town of Sintra. They are small, sweet tarts made with a mixture of cheese, sugar, eggs, and cinnamon. The tarts have a creamy and slightly tangy filling, with a crisp and flaky pastry crust. Queijadas de Sintra are a delicious and indulgent treat that is often enjoyed with a cup of coffee or tea.