Double boilers are handy to have in the kitchen for making delicate sauces like hollandaise, preparing custards or stretchy doughs and melting chocolate for sweet treats. You need a double boiler when ...

1. Gather a double boiler and fill the bottom pot with water. Heat on medium heat. 2. Place the top pot of the double boiler on the stove and heat on medium heat. Add vegetable oil and heat. Add the ...