1/2 c. butter
3/4 c. sugar
2 lg. eggs, separated
1 tsp. grated lemon rind
1 tsp. vanilla
1 1/3 c. flour
1/8 tsp. baking powder
1/4 tsp. salt
1/2 tsp. baking soda
1/2 c. buttermilk
2 1/2 tbsp. poppy seeds

Beat butter and sugar until light and fluffy. Add egg yolks one at a time beating well after each addition. Beat in rind and vanilla. Into a bowl sift together flour, baking powder, salt and soda. Add mixture until it is just combined. Fold in poppy seeds. Beat egg whites until soft peaks form. Stir in half of the whites into batter then fold in remaining white gently but thoroughly. Bake for 15-17 minutes at 350 degrees.