01 -
Spoon it out warm or let it chill out and cool off. Pop leftovers in a sealed container and stash in the fridge—good for a week.
02 -
Pull the pan away from the burners. Toss in your butter with the vanilla and a bit of salt. Give it a good stir till it all melts together and the mix is nice and shiny.
03 -
Slowly pour the cornstarch mix into the bubbling coffee mix. Keep stirring so it stays smooth, and let it cook a couple more minutes so it thickens up.
04 -
Grab another bowl. Mix your cornstarch into the cold water and whisk it so no lumps are hanging around.
05 -
Let everything bubble softly for 5 to 7 minutes, stir here and there, and let it cook down a bit.
06 -
Pour the coffee and both sugars into a little pot. Put it on medium heat. Stir it around till the sugar’s not gritty anymore.