Butter Cookie Recipe (Adaptable for Jenny Cookies)

Here's a basic butter cookie recipe with a crispy yet tender texture. ○Ingredients (Makes approx. 15-20 cookies)○ Unsalted butter: 100g (softened to room temperature) Powdered sugar (or granulated sugar): 50g Egg yolk: 1 (room temperature) Cake flour: 130g (Replace 20g of cake flour with potato starch for Jenny Cookies) Vanilla extract: 1/2 tsp (optional) Salt: 1 pinch ○Instructions○ ☆Cream Butter and Sugars In a bowl, cream the softened room-temperature butter with a whisk or spatula until smooth like mayonnaise. Add powdered sugar and salt, and mix well until creamy, ensuring no powder is visible. (Using powdered sugar results in a finer texture and softer cookie.) ◇Add Egg Yolk Add the room-temperature egg yolk and vanilla extract, mixing thoroughly to prevent separation. ☆☆☆Incorporate Dry Ingredients Sift in the cake flour, then use a spatula to gently fold and mix until it just comes together into a dough. (Be careful not to overmix, as it can make the cookies tough**