Recipe to Make Clay Supplies 2 cups flour1 cup salt1 cup hot water1 Tbsp. vegetable oilKnead well. Makes 8 small cups (cupcake size) ToothpicksPopsicle sticksWaxed paperSanitizing wipes Bake on cookie sheet at300 degrees for 40 minutes to harden to golden brown ORBake on cookie sheet at 250 degrees for 50 minutes for lighter color ORAllow to air dry for about 5 days to harden.