Yogurt Poppy Seed Coffee Cake

3 tablespoons poppy seeds
1 cup vanilla yogurt
1 cup butter
1 1/2 cups sugar
4 eggs separated
2 cups plus 2 tablespoons flour
2 teaspoons vanilla extract
2 teaspoons baking soda
Conf. Sugar for garnish

Grease bundt pan and dust with flour. Soak poppy seeds in yogurt. Cream the butter and add sugar. Blend into the yogurt mixture. Beat the egg yolks and add to the mixture. Add vanilla, flour and baking soda. Beat the egg whites until stiff and fold in. Pour the batter into the pan and bake at 375 degrees for 45 minutes. Serves 16-18.