2 Tablespoon, halved / quartered (Adjust Quantity As Needed)
Preheat oven to 425°F.
Brown ground beef in medium skillet.
Add onions and mushrooms; cook until tender.
Stir in tomatoes, sour cream, basil and Worcestershire sauce; set aside.
Roll out pastry to 1/8 inch thickness.
Cut into 2-inch rounds.
Press rounds into mini muffin cups.
Fill with ground beef mixture; top with cheese and olives.
Bake 10 minutes or until pastry is golden brown.