Sesame Shortbread Sandwich Cookies with Tahini Frosting!

Name: Sesame Shortbread Sandwich Cookies with Tahini Frosting!
Prep time: 30 min
Cook time: 10 min
Total time: 40 min
Cuisine: Middle Eastern
Ingredients: 1 1/4 sticks or 10 tablespoons unsalted butter; 1/2 cup granulated sugar; 3/4 teaspoon sesame oil; 1/2 teaspoon kosher salt, plus extra for decorating; 1/3 cup black sesame seeds; 1 cup flour; 1/2 batch Tahini Frosting; Spice House Coffee Cake Sugar