Vanilla Tea Cake Cookies are a simple buttery, soft vanilla tea cookie perfect for afternoon tea. Much like Scottish Shortbread, the ingredients are simple, but the texture and vanilla flavors are deliciously unforgettable.
Preheat the oven to 350 degrees F and line a baking sheet with parchment paper. Set aside.
Combine the butter and sugar in a stand mixer or with a handheld mixer; beat until creamy, about 3 minutes. Then add the egg and vanilla; mix until combined.
In a small bowl, whisk together the flour, baking soda, cream of tartar, and salt. Add the dry ingredients to the butter mixture and mix well.
Shape the dough into balls, roll in additional granulated sugar if desired, and then transfer to the prepared baking pan.
Bake for 10 to 12 minutes or until the edges are lightly browned. Transfer to a wire rack to cool.