This is an incredibly simple recipe – just boil the can! However, the can must be smooth and dent-free, and must remain submerged at all times – if not, the can may explode.
- 1can condensed milk(14 oz.)
The can must be completely smooth, with no dents; otherwise, the can could explode.
It is extremely important to make sure the water never runs low. If the water is allowed to evaporate to the point that the can is exposed to air and not completely submerged, the change in temperature / pressure may cause the can to explode.
The can must always be covered with at least 2” of water; so it’s best to simply keep the pot filled. Be sure to check the water level at least every 15-20 minutes (set a timer!), and add hot water whenever necessary (it’s helpful to have a hot pot of water at the ready, and ladle in extra water as needed). Keeping a tight lid on the pot will help prevent evaporation.