Streusel Plum Cake

Directions

1. 1
   In a large bowl, cream together sugar, margarine and egg yolks until fluffy.
2. 2
   Combine flour with baking powder.
3. 3
   Beat into egg mixture alternately with milk.
4. 4
   Beat egg whites until stiff but not dry.
5. 5
   Fold into batter.
6. 6
   Pour batter into greased 9 inch square cake pan.
7. 7
   Halve and pit plums.
8. 8
   Arrange over batter.
9. 9
   Streusel topping-------------.
10. 10
    In a small bowl, combine brown sugar, margarine and cinnamon.
11. 11
    Sprinkle over fruit.
12. 12
    Bake in 350°F oven for 35-45 minutes or until top is golden and tester inserted into centre of cake comes out clean.
13. 13
    Glaze (optional) --------------.
14. 14
    Combine icing sugar, milk and vanilla.
15. 15
    Drizzle over cooled cake.