Set the phin filter on top of the glass.Add the ground coffee.
Place the gravity insert down.Press it on top of the coffee to even out the grind.
Add 1 ounce hot water and wait 20 seconds to let the coffee bloom. Slowly pour in the rest of the hot water.If you're using an electric kettle to boil water, set the temperature to 200°F.
Cover the filter.Let the rest of the coffee drip into the glass until it stops.
Remove the phin.Stir the coffee and sweetened condensed milk until combined.