Cloud Sponge Cake

Directions

1. 1
   Sift together flour, baking powder and salt.
2. 2
   Set aside.
3. 3
   In large mixer bowl, beat egg yolks at high speed until thick and lemon colored.
4. 4
   Gradually beat in water until pale and foamy. Gradually beat in sugar until completely dissolved, 8 to 10 minutes.
5. 5
   Add extract.
6. 6
   Fold flour mixture in three additions into yolk mixture.
7. 7
   Set aside.
8. 8
   In small mixer bowl with clean beaters, beat egg whites with cream of tartar until stiff.
9. 9
   Gently fold into batter.
10. 10
    Turn into ungreased 10-inch tube pan and bake at 325° for 1 hour.
11. 11
    Invert pan to cool.
12. 12
    Use knife to loosen. Invert on plate.