In a mixer, cream together butter, sugar, vanilla, and salt until light and fluffy.
Add in egg and mix until fully incorporated.
In a separate bowl, whisk together flour, baking soda, and baking powder. Add flour mixture into mixer and mix on low speed until cookie dough balls together.
Press cookie dough flat and wrap in plastic wrap. Chill for 1 hour before rolling out.
Roll dough out to about ¼" thickness and cut into any shape. Bake immediately, or freeze shapes to bake later.
Preheat convection oven to 325 degrees. Place cookies on parchment on middle rack and bake for 8–15 minutes.
Cool completely before frosting with Easy Confectioners Sugar Glaze.
Easy Confectioners Sugar Glaze
In a bowl, whisk together all ingredients until smooth, adding enough water to achieve desired consistency. If the glaze gets too thin, whisk in more sugar to thicken back up.
Add any other flavoring you would like (lemon juice, spices, etc.) to change the flavor of the glaze.
Notes
Tips from the chefBaking is a cake with these recommendations.• The most important thing you can do with any batter is scrape the bowl down often.• To evenly brown the cookies, rotate the pan in the oven halfway through baking, usually after the first five minutes.• Have cookie dough rolled and cut out in the freezer to bake whenever you want a treat.