3 c. unsifted all-purpose flour
1 1/2 c. sugar
1 tbsp. plus 2 tsp. baking powder
1/2 tsp. salt
1/2 c. Mrs. Filbert's butter, softened
1 1/2 c. buttermilk
1 tbsp. grated lemon rind
4 egg whites
3/4 c. confectioners' sugar
1 tbsp. plus 1 tsp. lemon juice

Mix flour, sugar, baking powder and salt in large bowl. Add butter, buttermilk and lemon rind; beat until smooth. Beat egg whites until stiff peaks form; fold in. Turn into a 10-inch greased and floured bundt pan. Bake in preheated 375 degree oven for 40-45 minutes, until cake tester comes out clean. Cool on wire rack 15 minutes; remove from pan.

In small bowl, combine confectioners' sugar and lemon juice until smooth. When cake is completely cool, drizzle with lemon glaze. 16-18 servings.