cookie recipe - for MO5HU

i found this recipe in my grandma's old "betty crocker's best cookies" cookbook with recipes from 1935 to 1940. i make these like every other week cuz theyre really good tbh so less go

"THE BEST COOKY OF 1935-1940 / CHOCOLATE CHIP COOKIES"

ingredients

• 2/3 cup shortening (part butter or margarine)
• 1/2 cup white granulated sugar
• 1/2 light (or dark) brown sugar, packed
• 1 egg
• 1 tsp vanilla
• 1 and 1/2 cups flour
• 1/2 tsp baking soda
• 1/2 tsp salt
  optional ingredients
• 1/2 chopped nuts
• 1 cup of semi-sweet chocolate chips

directions

• heat oven to 375 degrees fahrenheit
• mix shortening, sugars, egg and vanilla (these are the wet ingredients)
• in a different bowl, mix the dry ingredients together (flour, baking soda, salt)
• mix the dry with wet ingredients together. add nuts or chocolate chips when done if you add em
• on an UNGREASED baking sheet, roll teaspoon size balls of the dough and place them each 2 inches apart.
• bake for 8 to 10 minutes (start at 8 mins, if not enough go longer but max is 10 mins)
• cool for 20 mins then eat or smth

notes

• if you use self rising flour, dont add baking soda and salt
• makes 4 to 5 dozen cookies
• each cookie should be about 2 inches wide

the recipe came with some paragraph abt the recipe i dont exactly understand but here it is -
NEW COOKY SWEEPS THE NATION - This luscious cooky from the New England Toll House, Whitman, Mass., enjoyed immediate and continuing popularity. It was introduced to homemakers in 1939 on our radio series "Famous Foods from Famous Places."

(whyd they call cookies "cooky"???)

image from the cookbook here -
https://media.discordapp.net/attachments/782482995235258368/855113800956903454/unknown.png?width=466&height=619