01 -
You can serve the sauce while it's warm, or chill it first. Pop any extra sauce in a sealed container and keep it in the fridge for up to a week.
02 -
Take the pot off the stove, then mix in the butter, vanilla, and salt. Stir it around until everything turns really smooth and shiny.
03 -
Slowly pour your cornstarch mix into the hot coffee pot, whisking non-stop. Let it bubble for two or three minutes, keep stirring, and you'll feel it get thick.
04 -
Grab another bowl, then beat cornstarch into cold water until you can't see any lumps and it's totally blended.
05 -
Let it gently bubble for five to seven minutes so it cooks down a bit. Give it a stir every now and then.
06 -
Pour hot coffee, white sugar, and brown sugar into a small pot. Stick it on medium heat and stir the whole time until all the sugars vanish.