Set oven to 350°F (175°C) for even baking.
Beat softened butter and sugar until fluffy and smooth.
Mix in vanilla for a rich, aromatic flavor.
Gradually add all-purpose flour, mixing to form a soft dough.
Refrigerate dough for 20 minutes to make shaping easier.
Roll dough into small balls and flatten slightly with fingers.
Bake for 12-15 minutes, cool completely before serving or storing.