Preheat oven to 350 degrees.
In medium bowl combine sugar, pecans, eggs, butter and vanilla.
Spoon 1 teaspoon of mixture into each prepared tart shell.
Bake 30 minutes or until golden brown.
On a wire rack, cool 10 minutes; remove from pans and cool completely.
Crust:
In large bowl combine flour, margarine and cream cheese to form soft dough.
Shape into 3/4 inch balls.
Press into ungreased mini muffin pans to form tart shells.
