Before heading into the recipe, here are some instructions for using the water bath method of baking: 1. Wrap the outside of the baking tin in a couple of layers of foil to prevent water from seeping through the cracks of the tin 2. Put the foil wrapped baking tin inside a deep a roasting pan 3. Fill the roasting pan with 2 inches of freshly boiled water and put it all in the oven 4. Once cooked, remove both tins from the oven carefully, then lift the baking tin out of the roaster and remove the foil