01 -
Toss the chopped chocolate, butter, and sweetened condensed milk into a microwave-safe bowl.
02 -
Set the microwave to medium-high and heat it for 30 seconds. Take it out, give it a mix, then keep heating in 30-second bursts, stirring each time, until the chocolate is completely silky and everything is mixed well.
03 -
Pour the condensed milk into a heavy-bottom saucepan, then add your butter and chopped chocolate.
04 -
Use medium-low heat and keep stirring the whole time until the chocolate and butter are fully melted together. Stick to low heat so it doesn’t turn lumpy or gritty.