>> source: https://www.thekitchn.com/how-to-make-sweetened-condensed-milk-recipe-23421073
>> serves: 1.5 cups
>> total time: 1 hour

Place 2.5 cups @whole milk{2.5%cups}, 1 cup @granulated sugar{1%cup}, 1/2 cup @heavy cream{1/2%cup}, and 1/8 teaspoon kosher @salt{1/8%tsp} in a #medium saucepan{}. Heat over medium heat, stirring occasionally, until bubbles form along the edges of the pan, about ~{5%minutes}. Do not let the mixture come to a boil.

Simmer, reducing the heat as needed and stirring and scraping the sides of the pan often, until thickened and reduced to 1.5 cups, 50 to ~{60%minutes}. It should coat the back of a spoon.

Pour into a #heatproof airtight container{} and let cool completely. Cover and refrigerate for up to 1 week or freeze for up to 3 months. Let thaw overnight in the fridge and shake or whisk well before using.