Clay For Play N Posterity(Overnight Drying Method) - cooking recipe

Ingredients

1 c. cornstarch
2 c. baking soda (1 lb.)
1 1/4 c. cold water

Preparation

Stir in saucepan over medium heat for about 4 minutes, until the mixture thickens to moist mashed potato chip consistency. Remove from heat, turn onto plate and cover with a damp cloth until cool.
Knead as you would dough.