1

Preheat oven to 325 degrees. Grease and flour one loaf pan.

2

Mix flour, baking powder and salt in small bowl. Set aside.

3

In small bowl, beat egg whites until stiff. Set aside.

4

Rinse off beaters and cream butter with hand mixer in large bowl. Add sugar and beat until creamy. Add egg yolks, one at a time.

5

Gradually blend in dry mixture. Add vanilla. Blend egg whites into batter.

6

Pour batter into prepared pan and bake for one hour. Test doneness with toothpick- insert into center and it should come out clean.