Lemon Cake with butter

1/2 cup butter or 1/2 cup soft margarine 2 cups granulated sugar 2 eggs 1/4 cup plain 1% yogurt 2 large lemons, rind of 3 cups flour 2 teaspoons baking powder[...]

2 1/4 cups cake flour 2 teaspoons baking powder 1/4 teaspoon fine sea salt 1/2 cup sweet butter 1/4 cup crisco white shortening 1 1/2 cups white sugar 1[...]