Preheat oven to 350ºF. Line baking sheets with parchment paper.
In a large bowl cream butter and both sugars.
Add eggs one at a time. Then add in vanilla, salt, and cream of tartar.
In a small dish, dissolve 1 teaspoon baking soda in 2 teaspoons hot water. Add to cookie batter and mix in.
Stir in flour, chocolate chips, and nuts (if using.)
Using a cookie scoop or spoon, scoop cookie dough onto baking sheet two inches apart.
Bake 10-15 minutes or until cookies are golden brown with crispy edges.
Allow to cool.