→ For the Shortbread Cookies
01 - 2 cups all-purpose flour
02 - 1/2 cup powdered sugar
03 - 1 cup unsalted butter, room temperature
04 - 1/2 tsp salt
05 - 1 tsp vanilla extract
06 - 1 1/2 tsp ground cinnamon
07 - 1/2 tsp ground ginger
08 - 1/2 tsp ground cardamom
09 - 1/4 tsp ground cloves
10 - 1/4 tsp ground allspice
11 - 1/4 tsp ground black pepper
→ For the Chai-Spiced Filling
12 - 1/2 cup unsalted butter, room temperature
13 - 1 1/4 cups powdered sugar, sifted
14 - 1 tsp vanilla extract
15 - 1/2 tsp ground cinnamon
16 - 1/4 tsp ground ginger
17 - 1/4 tsp ground cardamom
18 - 1/8 tsp ground cloves
19 - 1-2 tsp milk (as needed for consistency)