Step 1

Wash and dry the basil leaves. Finely chop them and set them aside. Sift together the flour, baking powder and salt, and also set them aside.

Step 2

Using a standing mixer, beat together the remaining ingredients (butter through basil) until a all of the ingredients are fully incorporated. Slowly beat in the flour mixture until a firm dough forms. Turn dough out onto plastic wrap and form into a log shape. Refrigerate at least 1 hour, or overnight.

Step 3

Preheat oven to 375 degrees. Remove dough from refrigerator and slice into 1-inch rounds. Place them on a parchment paper-lined baking sheet, and bake for 8-10 minutes, or until the cookies begin to lightly brown at the edges.

Step 4

Remove cookies from oven and cook on a wire rack.

Step 5

Serve immediately, or store in an airtight container for up to a week.