Play Dough - cooking recipe

Ingredients

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

Preparation

Bring to boil water, oil and food coloring.
Take off burner and add in this order: alum, salt and flour.
Mix well.
Store in refrigerator.
Lasts for months.
Recipe can be doubled.