What is the baking time and temperature for Two Glass Plates and Two Glass Bowls?
Place the item paint side up on a cookie sheet covered with aluminum foil. Place the sheet in a cold oven and bake for 30 minutes at 325 degrees. After the 30 minutes are up, turn the oven off and allow it to cool down. Once the oven has cooled, remove and let the item stand for 20 minutes before touching the item.