In a large size mixing bowl add softened butter and sweetener. Using either a stand mixer or a hand mixer, cream the butter and sweetener together. Add in the eggs and the vanilla and continue to mix.
Use a 2 tablespoon cookie scoop to divide the batter into 22 cookies and place onto 2 baking sheets lined with parchment paper. Place into already preheated oven and bake for 14 minutes. Let cool and serve.