Langues de Chat

Directions

1. 1
   Preheat oven to 425 degrees.
2. 2
   Butter and flour two baking sheets.
3. 3
   Beat the butter, sugar, vanilla, and salt until pale and fluffy.
4. 4
   Beat the egg whites for 1 minute, until they mound slightly.
5. 5
   Add the egg whites and mix just enough to blend.
6. 6
   Add the flour through a sieve, shaking it over the batter and folding it in quickly.
7. 7
   Using a dinner knife, scoop up about 1 teaspoon batter and tap it onto the cookie sheet.
8. 8
   Press the knife down onto the batter so you have a line 2 1/2 inches.
9. 9
   Spread the batter on the sheet in this manner, leaving 2 inches between each cookie.
10. 10
    Bake for 4-5 minutes in the middle of the oven, until the cookies have browned slightly at the edges.
11. 11
    Remove with a metal spatula and cool on a rack.
12. 12
    If the cookies harden before you take them off the sheet, return them to the oven to warm them.
13. 13
    When the cookies have cooled, store them in an airtight container.