Preheat your oven to 375 degrees Fahrenheit.
You will need a couple of ungreased cookie sheets.
2-1/4 cups flour
1 teaspoon baking soda
1 teaspoon salt
1/3 cup cocoa powder
1 cup(2 sticks) unsalted butter, softened
3/4 cup sugar
3/4 cup packed brown sugar
1 teaspoon vanilla extract
2 cups chocolate chips
Combine the flour, baking soda, salt, and cocoa powder in a bowl and set aside.
Beat the butter, brown sugar, sugar, and vanilla extract in another bowl until the mixture is creamy.
Add the eggs one at a time.
Blend in flour mixture.
Add the chocolate chips.
Drop by Tablespoon or medium size cookie scoop onto cookie sheets.
Bake for 9-11 minutes. They may be a bit soft in the middle and that is OK. They will finish cooking after they come out of the oven.
Remove to wire rack to cool.
You will get 4-5 dozen cookies.