Midnight Mallow Cake

Directions

1. 1
   Melt marshmallows and chocolate in double boiler.
2. 2
   Add boiling water, beating constantly until smooth.
3. 3
   Remove from heat; cool.
4. 4
   Sift together flour, soda, and salt.
5. 5
   Beat eggs until foamy.
6. 6
   Gradually add sugar, beating constantly, until thick and lemon colored.
7. 7
   Add vanilla and the chocolate marshmallow mixture.
8. 8
   Mix.
9. 9
   Blend in sour cream.
10. 10
    Add dry ingredients in four additions, mixing well after each addition.
11. 11
    Pour into 2 well greased and flured 9 inch round pans bake 375F (190C) 25 to 30 minutes.
12. 12
    Cool and frost.
13. 13
    Fluffy Marshamallow Frosting: Combine egg whites, sugar, light corn syrup, water, cream of tartar and salt in top of double boiler.
14. 14
    Cook over rapidly boiling water, beating constantly until mixture stands in peaks.
15. 15
    Add marshmallows; beat until dissolved.
16. 16
    Remove from heat.
17. 17
    Add vanilla, continue beating until thick enough to spread.