Heat oven to 375°F. Combine all topping ingredients in small bowl. Mix with fork until mixture resembles coarse crumbs. Set aside.
For crust:
Mix butter and cream cheese in small bowl until well combined. Add flour; continue stirring until dough forms. Chill for 15 minutes.
Divide dough into 24 pieces. Place 1 piece into each ungreased mini muffin pan cup. Press dough onto bottom and up sides of cups.
For filling:
Combine all filling ingredients in large bowl; beat with whisk until smooth. Scoop about 1 tablespoon filling into each shell; sprinkle with about 1 teaspoon topping.
Bake for 25 to 28 minutes or until golden brown and center no longer jiggles. Let cool 5 minutes. Remove from pan to wire rack to cool.