1. Preheat oven to 325 degrees Fahrenheit and grease a cookie sheet or line with parchment paper.

2. Crumble almond paste into small pieces in a large bowl.

3. In the same bowl, stir in almond extract, flour, and powdered sugar. Add egg whites and beat with an electric mixer on medium speed for about 2 minutes, until smooth.

4. Place dough by small spoonfuls onto the prepared cookie sheet, approximately 2 inches apart.

5. Place an almond on top of each cookie, then refrigerate for 30 minutes.

6. Bake for around 12 minutes or until set. Immediately remove from cookie sheet to wire rack and let cool completely.