First, preheat the oven to 375 degrees. Then, combine the butter, eggs, sugar, and vanilla. Stir the ingredients until the are combined. Next, add the baking soda and stir. Then mix the flour in slowly until everything is mixed together. Stir in the chocolate chips. Finally, place spoonfulls of dough onto a baking sheet and place in the oven for 8 to 10 minutes.