Quesillo is a popular and delicious appetizer on the islands of Curacao, Aruba, and Bonaire. Quesillo (Spanish pronunciation: [keˈsiʎo], meaning "little cheese") refers to different Latin American and Spanish foods or dishes depending on the country. On the island of Curacao, Aruba, and Bonaire, we have different variation in flavor. This one of the version of the quesillo. Enjoy!