Step 1

Add milk and sugar to a medium-sized saucepan over medium-high heat to dissolve the sugar.

Step 2

Once the mixture boils, reduce the heat to medium-low.

Step 3

Let it simmer uncovered for 45 minutes or until the mixture reduces to 1 ⅓ cup.

Step 4

Remove from heat and allow to cool.

Step 5

Use immediately or transfer to an air-tight storage container to chill for up to 1 week.