Combine butter and cream cheese. Add flour,combine well.
Form into 2 balls, flatten slightly.
Wrap well in plastic wrap.Chill
Roll crust thin,cut and fit into mini muffin pans,chill while preparing filling.
Combine filling ingredients.Spoon into crust lined pans.
Bake 350 deg. 12-15 mins.
Remove from pan cool on wire rack.
Sprinkle with powdered sugar.