1/4 cup lard
1/4 cup butter
1 1/4 cups white sugar
1 cup all-purpose flour
2 tablespoons egg substitute
1 teaspoon lemon extract
1/2 teaspoon grated lemon zest
1 tablespoon sifted all-purpose flour
1 tablespoon dried parsley
2 tablespoons chopped onion
3 egg yolks