kosher salt ⁄ tsp vanilla extract tbsp unsalted butter, softened at room temperature ⁄ cup tahini (sesame seed paste) tbsp light brown sugar, packed tbsp granulated sugar large egg ⁄ tsp vanilla extract ⁄ cup plus tbsp all purpose flour ⁄ tsp kosher salt ⁄ tsp baking soda, heaping tbsp white sesame seeds...