Mom's Playdough

This keeps for weeks in the refrigerator and can be used many times over.

2 cups water

2 cups flour

1 cup salt

½ cup cornstarch

2 TB vegetable oil or margarine

1 TB powdered Alum (found in spice section)

Few drops of food coloring

Mix all ingredients. Cook over medium heat until thick. Remove from pan and knead until smooth. Use oil on a surface and add food coloring as you continue to knead and mix. Yields about 3 cups of dough.