Heat oven to 400°F.

In a large frying pan heat oil over medium to medium high. Add beef and cook until no longer pink.

Add shallot and garlic and cook until fragrant about 1 minute.

Add mushrooms and potatoes and cook until liquid is absorbed.

Add tomato paste, basil, salt, and pepper.

Off heat add sour cream. Let mixture cool.

To make pastry cut butter into flour until it resembles coarse crumbs. Mix lemon juice with water and sprinkle over flour mixture. Toss until dough gathers in a ball. Roll out to 1/4 inch thickness and cut out into 4 inch rounds.

Fill each circle with a rounded tablespoon of meat mixture. Fold over and press together using a fork to press edges. Prick top with tines of fork.

Place filled rounds on an ungreased cookie sheet.

Mix egg and milk together and brush over tops of rounds.

Bake for 12 to 15 minutes or until golden.

NOTES : You can refrigerate dough to make it easier to roll out.

Appetizers: 24

Per Serving: 197 Calories; 12g Fat (56.4% calories from fat); 7g Protein; 15g Carbohydrate; 1g Dietary Fiber; 53mg Cholesterol; 75mg Sodium. Exchanges: 1 Grain (Starch); 1/2 Lean Meat; 0 Vegetable; 0 Fruit; 0 Non-Fat Milk; 2 Fat; 0 Other Carbohydrates.