How to make Custaroons or Lecheroons a delicious Kakanin Dessert. Custaroons Recipe – A delicious and moist Custaroons. A perfect combination of creamy Custard “Leche Flan” & Coconut Macaroons in one. To make these delightful treats, all we need is a few ingredients such as; Eggs, Condensed Milk, Butter, Vanilla, and of course, Desiccated Coconut….