Flan: The Awe-Inspiring 2,000-Year Evolution

Flan is one of those rare desserts that is both universal and local. Flan is a dessert with a history spanning thousands of years across multiple cultures. A silky slice in Mexico, a dense quesillo in Venezuela, or an elegant crème caramel in France, the story begins in ancient Rome.

The First Roman “Flado”

Flan is a modern dessert icon, but its story actually starts waaaay back in ancient Rome. Early Roman cooks whipped up a dish called “flado.” A flat egg cake made with simple staples like eggs, milk, and honey. It’s basically the same base we use today. But here’s the twist: Romans often flavored the dish with eel, pepper, or herbs. Romans are known for their culinary creativity; it has always been a Roman specialty.

The word “flan” traces back to the Old High German “flado,” meaning flat cake, illustrating the remarkable journey this humble dish has taken across cultures and languages. This rustic Roman egg mixture evolved over the centuries into the beloved silky custard with a caramel topping.

*This post contains affiliate links. If you make a purchase through these links, I may earn a small commission at no additional cost to you. Thank you for supporting this site and helping me keep ancient food stories alive. Learn more.
We are also a partner with Stay22. To learn more about how they handle data and tracking, you can visit their Privacy Policy Page.*

The Medieval Evolution Begins

The recipe survived the fall of Rome and evolved in response to shifting tastes. In the Middle Ages, cooks across Europe added sweeteners to the mixture to create a softer, custard-like dish.

The Spanish updated earlier versions of egg-based custards during the Middle Ages. But the caramel-topped flan as we know it became widespread between the 15th and 17th centuries. During this period, sugar became more readily available in Iberia. Once the flan reached the New World through Spanish colonization, the caramel layer was already a defining feature.

Moorish influence was strong across the Iberian Peninsula. Flavors such as citrus, almonds, and spices were incorporated into the evolving custard.

Flan Travels to Latin America

The Spanish colonized the Americas and carried their cherished flan across the ocean. Due to the abundance of local eggs, dairy, and sugar, the dessert evolved into a beloved staple throughout Latin America. Each region adapted it through its own culinary vision:

• Mexico flavored it with vanilla, cinnamon, or coffee.
• The Caribbean infused it with coconut milk and tropical notes.
• Central America crafted extra-creamy versions using condensed and evaporated milk.
• In the Philippines, Spanish influence spanned more than 300 years. Locals made an ultra-rich, yolk-heavy variation and called it leche flan. The dish was born in the convent kitchens, which often had extra yolks to use.

Today, flan remains one of the most iconic desserts of the Spanish-speaking world—a sweet legacy shaped by history, trade, and local taste.

A Taste of My Home: Venezuelan Quesillo

One of the most beloved Latin American variations is Venezuelan quesillo. This dish is very close to my heart. It ties in with both my European and Latin cultures. I will share my family recipe, but first, a few notes:

Quesillo looks like a traditional flan. But there is a key difference: we use whole eggs rather than just yolks, which gives this dessert a lighter texture. Tiny air bubbles dot the custard, making it uniquely spongy. We use a “Flanera,” a special tin, to bake it. We place it in a water bath (Baño Maria), and eat it at celebrations and parties. The caramel is deeply cooked, giving quesillo a darker, smoky sweetness that contrasts with the custard.
Here’s my Quesillo Venezolano recipe: 

Ingredients:

• 4 eggs
• 1 tsp vanilla
• 2 tbs sugar for caramel 
• 1 can condensed milk 
• Plus, use the can to add whole milk 

Preparation:

Boil the sugar with a tablespoon of water until it turns dark caramel, then pour it into a flan mold. Blend the remaining ingredients in the blender. Put in the mold. Bake in a Bain-Marie container at 350°F for about 40 minutes. Serve with authentic dulce de leche and whipped cream.

Notes: Some of the links I shared for the Flanera mold and the Baño Maria offer Black Friday deals. I typically use a large pot of water and warm it first. (Make sure it has handles; it gets very hot.)

Crème Caramel: Flan’s French Icon

Meanwhile, France developed its own refined custard dessert: crème caramel. Its ingredients are almost identical to Spanish flan. The French version is famous for its lighter, silkier texture. Unlike crème brûlée, whose top is sprinkled with sugar and torched into a glassy crust, crème caramel has caramel at the bottom of the mold. When inverted, the dessert is crowned with a smooth, glossy caramel sauce.

By the 19th and 20th centuries, crème caramel had become a beloved fixture in French restaurants. The dish became a worldwide European classic.

Quesillo embraces airiness and rustic charm, crème caramel champions smoothness and delicacy. Both desserts showcase how versatile a simple custard can be.

Ancient Roots Go Global

“Flado’s” Roman origins underwent medieval reinvention and global transformation. Flan has traveled further than most desserts ever will. Today, it remains a favorite across continents for its comforting sweetness and remarkable ability to adapt to local flavors and cultures.

Each bite carries a bit of history beautifully layered as the caramel that crowns it. Regardless of your preference — be it the decadent density of leche flan, the light sweetness of Venezuelan quesillo, or the refined, velvety texture of crème caramel — the dessert remains timeless.

Explore more in our Food Spotlights or subscribe to our newsletter for weekly stories and recipes inspired by history.

Note to my readers: My research draws on travel experiences, books, and, sometimes, AI tools. I love using my own photos whenever possible, but occasionally I include stock or AI-generated images to help illustrate the story.