In Classic Batter Bowl, beat butter and cream cheese until smooth.
Add flour; mix until a soft dough forms.
Cover; chill at least 1 hour or overnight.
Preheat oven to 450°F.
Shape dough into 1-inch balls.
Place each ball of dough in cups of ungreased Deluxe Mini-Muffin Pan.
Dip Mini-Tart Shaper in flour; press into dough to form tart shell.
Pierce tart shells with a fork; bake 10-12 minutes or until light golden brown.
Carefully remove from Mini-Muffin Pan to Stackable Cooling Rack.
Cool completely.
Fill as desired.
