For Pastry: Blend cream cheese and margarine and add flour; blend until fully incorporated. Chill the dough overnight in the refrigerator or for an hour in the freezer.
Divide and shape into 2 dozen balls.
Place in ungreased 1 3/4” muffin tin. Press dough in bottom and side of cup.
Refrigerate pans while making the filling.
For Pecan Filling: Beat together egg, sugar, butter, vanilla, salt.
Divide half of the nuts among cups.
Add 1 teaspoon of filling on top of pecans. Top with remaining pecans. The pastry puffs so don’t get the shells too full.
Bake at 325°F for 25 minutes or until filling has set.
Let tassies cool in the pan and remove.
For Lemon Filling: Cream sugar and butter.
Add lemon rind and beaten eggs to the mixture. Stir in lemon juice.
Divide the filling between the shells, being careful not to over fill them.