Marquisettes

Directions

1. 1
   Melt chocolate morsels in top of double boiler; pour into bowl of electric mixer.
2. 2
   Add butter, egg yolks, sugar and flour; beat until light and fluffy.
3. 3
   Beat egg whites until stiff, not dry. Fold into batter.
4. 4
   Reserve one cup of batter.
5. 5
   Spread remainder in greased and floured 9-inch square baking pan; bake at 350° for 30 minutes.
6. 6
   Cool in pan.
7. 7
   Cream sweet butter; fold into reserved batter and beat in electric mixer until thick and light.
8. 8
   Spread butter cream on cake and sprinkle with grated chocolate.
9. 9
   Chill until firm.
10. 10
    The cake sinks as it cools, leaving a high rim of cake around edges.
11. 11
    When you frost the cake, do not attempt to cover the rim; spread frosting evenly, leaving rim exposed.
12. 12
    Dip sharp knife in hot water; cut 25 squares.
13. 13
    Refrigerate.