Silvercake

Directions

1. 1
   Grease an 8 cup baking pan and dust with flour.
2. 2
   Preheat the oven to 340F.
3. 3
   Cream butter (margarine) and sugar.
4. 4
   Add zest of lemon.
5. 5
   Mix flour and baking powder and add to creamed mixture together with cream or milk.
6. 6
   Mix well.
7. 7
   Whisk the eggwhites until they hold.
8. 8
   Fold in eggwhites, make sure you won't get little islands but don't overmix.
9. 9
   Pour into prepared pan and bake for 60 minutes.
10. 10
    Test with a skewer, it should come out clean.