Mint Shortbread Cookies

In a large bowl, cream together the butter and white sugar until light and fluffy.

Beat in the egg, then stir in the mint extract.

Combine the flour and salt; stir into the sugar mixture.

Add several of drops of food coloring until desired shade of green, mixing well.

Roll into a log, wrap in plastic wrap and refrigerate for 1 hour.

Preheat oven to 400°F 7 Slice into 1/4-inch slices and place on cookie sheets.

Bake for 9 minutes in the preheated oven, or until lightly golden at the edges.

Remove from cookie sheets to cool on wire racks.

Drizzle with melted white and/or dark chocolate if desired.