Marble Cake

Directions

1. 1
   Cream butter well.
2. 2
   Add sugar, a little at a time.
3. 3
   Add egg yolks, one at a time.
4. 4
   Add vanilla; beat until very fluffy.
5. 5
   Add rum.
6. 6
   Beat again.
7. 7
   Slowly add flour and milk, alternately, a little at a time until all used up.
8. 8
   Beat egg whites until very fluffy and fold into other mixture.
9. 9
   Put 2/3 of mixture into greased baking pan (Bundt).
10. 10
    To the remaining 1/3 of mixture, add the cocoa mixture and put it on top of the other mixture in the baking pan.
11. 11
    With a fork or spoon, make marble design.
12. 12
    Bake at 325° for 1 1/4 hours.