Melt butter, brown sugar, and salt in saucepan over low heat.
Don't overcook, when the butter is melted, remove from the heat.
In a separate bowl with a sealable lid, mix everything else , stir, and then shake well to dissolve any lumps.
Stir mixture into saucepan with the butter and brown sugar and gradually cook over medium heat until thick.
Stir constantly and remove from the heat after it starts to boil.