Prepare the Milk Base: In a medium saucepan, combine 2 cups of whole milk and 1 cup of granulated sugar. Stir over medium heat until the sugar fully dissolves. Stirring consistently helps prevent burning and sticking. At this stage, the mixture should be thin and pale. Optional for Smoother Consistency: Add a tiny pinch of baking soda to stabilize the milk proteins, which reduces curdling and enhances smoothness. This may also add a subtle golden tone.

For Dairy-Free Version: If using coconut milk, follow the same steps. Coconut milk provides a rich, tropical flavor that complements Caribbean-inspired desserts beautifully.

Reduction Hack: Reduction Hack: Before you start, use a wooden spoon or other utensil to mark the starting level of milk in your saucepan. Dip the handle into the milk until it just touches the surface. Note where the milk reaches, and mark this level with a piece of tape, pencil, or by taking a mental note. Now, mark a second point halfway down the handle—this is your target. This quick trick allows you to check the milk’s reduction at a glance, helping you reach the ideal thick and creamy consistency.

Simmer the Mixture: Once the sugar has dissolved, reduce heat to low and let the mixture simmer gently. Small bubbles should form around the edges as the color gradually deepens. Stir occasionally to prevent a skin from forming. Simmering Tip: This process takes about 35-40 minutes. Avoid increasing the heat to speed things up, as this can lead to curdling.

Thicken the Sweetened Condensed Milk: After about 30-35 minutes, the mixture should reduce by half, turning a light golden color and achieving a syrupy consistency that coats the back of a spoon.

Add Butter (Optional): For added creaminess, stir in the butter until fully melted and incorporated.

Add Vanilla (Optional): Stir in the vanilla extract at the end for additional flavor.

Strain for Extra Smoothness (Optional): If you notice any undissolved sugar or tiny particles, pour the warm condensed milk through a fine mesh strainer into a clean container. This will help ensure a smooth, creamy texture that’s ideal for desserts and drinks.

Cool and Store: Remove from heat and let cool slightly before transferring to an airtight container. Storage Tip: The condensed milk will thicken as it cools. Refrigerate for up to 2 weeks.

Freezing: For extended storage, pour the condensed milk into an ice cube tray to freeze in convenient portions. Once frozen, pop the cubes out and transfer them to a labeled freezer bag with the date marked on it. This method makes it easy to grab just the amount you need without defrosting the entire batch. Alternatively, if you’re using a different freezer-safe container, make sure to leave about 1/2 inch of space at the top to allow for expansion as it freezes. Thaw the desired portion in the fridge overnight and stir well before use to restore its creamy texture.