How to Make Flan
Master the art of making a velvety, silky traditional flan with a rich amber caramel crown, baked gently in a water bath to flawless perfection.
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🧰 Required Tools & Equipment
- ✓ 8-inch round cake pan (not springform)
- ✓ Medium heavy-bottomed saucepan
- ✓ Large roasting pan (for water bath)
- ✓ Wire whisk
- ✓ Fine-mesh sieve
- ✓ Silicone spatula
- ✓ Heat-resistant oven mitts
📦 Materials & Supplies
- ✓ 1 cup granulated white sugar (for caramel)
- ✓ 1 can (14 oz) sweetened condensed milk
- ✓ 1 can (12 oz) evaporated milk
- ✓ 3 large whole eggs plus 2 large egg yolks
- ✓ 1 tablespoon pure vanilla extract
- ✓ 1/4 teaspoon kosher salt
- ✓ 4-6 cups boiling water (for water bath)
⚠️ Safety Checkpoints & Warnings
- • Molten sugar exceeds 320°F (160°C) and sticks instantly to skin; never touch caramel or leave the pan unattended.
- • Pour hot water into the roasting pan slowly after placing it on the oven rack to prevent boiling water sloshes.
- • Wear heat-resistant oven mitts when removing the water bath from the hot oven.
📋 Step-by-Step Guide (6 Steps)
Caramelize the Sugar
Place the granulated sugar in a clean, heavy-bottomed saucepan over medium-low heat without stirring initially. Swirl the pan occasionally as the edges liquefy and turn golden, then gently stir with a heat-resistant spatula once mostly melted until completely smooth and deep amber in color. Remove from heat immediately to prevent scorching.
- • Sugar transforms into a clear, bubble-free, deep copper-amber syrup.
- • No undissolved sugar granules remain on the bottom or sides of the pan.
- • Stirring too early, causing the sugar to recrystallize into hard clumps.
- • Letting the caramel get too dark, turning it acrid and bitter.
Coat the Mold
Immediately pour the hot caramel into an ungreased 8-inch round metal cake pan. Carefully tilt and swirl the pan using silicone mitts or a dry kitchen towel to coat the bottom and roughly half an inch up the interior sides before it cools. Set the mold aside on a flat surface and allow the caramel to harden completely.
- • A solid, glassy layer of caramel evenly lines the base of the mold.
- • Caramel makes a subtle cracking sound as it cools and solidifies.
- • Waiting too long to pour, causing the caramel to set in the saucepan.
- • Using a springform pan, which will leak caramel and custard into the oven.
Mix the Custard Base
In a large mixing bowl, gently whisk together the 3 whole eggs and 2 egg yolks until well combined, avoiding vigorous whipping to minimize air bubbles. Pour in the sweetened condensed milk, evaporated milk, vanilla extract, and salt. Stir steadily with the whisk in circular motions until the liquid is fully homogenous and smooth.
- • Uniform, pale-yellow liquid with no visible streaks of egg yolk or dense condensed milk.
- • Minimal surface foam or frothy bubbles.
- • Whisking aggressively, incorporating air pockets that cause a spongy, rubbery texture instead of a silky finish.
Strain and Fill the Mold
Place a fine-mesh sieve directly over the caramel-lined cake pan. Pour the custard mixture slowly through the sieve into the prepared pan to catch any stray egg chalazae or undissolved bits. Pop any small bubbles that rise to the surface using the tip of a paper towel or a clean spoon.
- • The custard in the mold appears completely smooth with a glass-like surface.
- • Small coagulated egg remnants are trapped inside the mesh sieve.
- • Skipping the straining step, which results in eggy clumps throughout the delicate flan.
Bake in a Bain-Marie (Water Bath)
Preheat the oven to 350°F (175°C). Place the filled cake pan inside the larger roasting pan, then position the roasting pan onto the middle oven rack. Carefully pour boiling water into the roasting pan around the flan mold until the water level reaches halfway up the mold's outer walls, then bake for 50 to 60 minutes until the edges are set and the center retains a slight jiggle.
- • The perimeter of the flan is firm to a light touch while the center jiggles gently like firm gelatin.
- • A butter knife inserted near the center comes out clean.
- • Using cold water for the bath, which severely underbakes the flan and ruins cooking time estimates.
- • Overbaking until the flan puffs or cracks, signaling boiled eggs.
Cool, Chill, and Unmold
Carefully lift the flan pan out of the water bath and cool completely on a wire rack for 1 hour, then cover tightly and refrigerate for at least 4 hours (ideally overnight). To serve, gently slide a thin knife around the inner perimeter, place a large rimmed serving platter on top of the mold, and invert swiftly with confident downward pressure to release the custard and cascading caramel syrup.
- • Flan drops cleanly onto the platter with an audible suction release.
- • Rich amber caramel syrup flows generously over the silky custard dome.
- • Attempting to unmold a warm flan, which causes the custard structure to collapse.
- • Using a flat plate without a raised rim, resulting in caramel syrup spilling over the counter.
Credit: inspired by an original tutorial by Foodporn — watch the original on YouTube.
Don’t have everything?
- No Fine-mesh sieve? Clean cheesecloth or a brand-new thin kitchen towel layered inside a standard colander
- No 8-inch round cake pan? 8-inch round glass pie dish, ceramic soufflé dish, or individual oven-safe ramekins
- No Large roasting pan? 9x13-inch deep metal baking dish or wide roasting tray that fits the mold with room for water