Ice Box (Refrigerator) Cookie Recipe

Ingredients

2 Cups Soft Shortening
1 Cup Sugar
1 Cup Brown Sugar (packed)
4 Eggs
1 Tablespoon Vanilla
5 1/2 Cups Sifted Flour
1 Teaspoon Baking Soda
1 Teaspoon Salt (optional)
1 Cup Chopped Walnuts (optional)