How To Cure Your Molcajete: This recipe will allow you to get your Molcajete (Stone & Pestle) ready and cured. 1. Clean the Molcajete with soap and water. 2. With your pestle, grind some garlic up to a paste and spread all over the inside of the Molcajete. 3. Leave it to rest, through a whole night. 4. The next day rinse away the garlic from the Molcajete. Other Ways To Cure The Molcajetes Are: - Baking The Molcajete: Inside the Molcajete itself, create a paste using onion, garlic and cooking oil as the base. Spread the paste and be sure to cover all the pores on the inner part of the molcajete. Then place it inside the oven and bake it for 30 minutes at 300 degrees so that the paste thoroughly permeates the stone. Once the Molcajete has cooled off, wash it thoroughly with soap and water. - Boiling The Molcajete: Place the Molcajete on the stove grill and fill it with water and a lot of grain salt and vinegar. Allow the water to boil and let it be thoroughly consumed. Now let it cool off and cover and left over pores with uncooked rice, using the tejolote (pestle) to grind. Final Tips. Before using a Molcajete for your first salsa: grind up some sea salt (thick) then some crushed corn until they come out clean and free of debris. Finally, clean the Molcajete with a scrub and water and the Molcajete is ready for use.