Get a little high on these.
Warm up the butter in a saucepan over low heat. Turn off heat once butter is melted (careful not to let it burn).
Sift the cocoa powder into your warm butter. Stir until cocoa powder dissolves completely into the butter.
Add the can of sweetened condensed milk to the cocoa and butter mixture. Cook on medium heat, stirring continuously.
Stir, stir, stir. Don't stop stirring. If mixture begins to bubble, lower the heat. Keep lowering until heat is as low as possible. Keep stirring until mixture begins to have resistance, and sticks to the sides of the pan.
Once you