Excellent Play Dough - cooking recipe

Ingredients

2 c. boiling water
1/2 c. salt
3 Tbsp. alum
3 Tbsp. cooking oil
food coloring
3 c. flour

Preparation

Stir water, salt and alum until dissolved.
Add oil and food coloring.
Knead well and add enough flour to make consistency desired.
Keeps several months in a closed container.