For the crust, blend together butter, maple syrup, cream cheese, egg, orange rind and vanilla. Add flour and baking powder. Roll out crust on a floured surface with a floured rolling pin. This dough is soft.
Roll to 1/3-inch thickness. Fit or pat the dough into 7-inch pie plate. Cut apples into 1/8-inch slices and arrange in a circular pattern on dough in pie plate. Refrigerate 1/2 hour.
Combine sour cream, maple syrup and lemon juice. Spoon over chilled apples. Sprinkle nutmeg on top. Bake at 350° F for 30 minutes.Servings: 6