1 cup finely chopped mushrooms
1 large onion, finely chopped
3 Tablespoons butter
1 1/2 cup sour cream
1 1/2 teaspoon salt
1/4 teaspoon pepper
1 Tablespoon sugar
2 cups self-rising flour
1 egg, separated
1/2 c shortening
Mix flour, remaining salt and sugar in a bowl; cut in the shortening.
Mix the egg yolk and the remaining sour cream in a separate bowl.
Add to the flour mixture, mixing well.
Roll out the dough on a floured surface; cut circles out using the sour cream carton.
Place 1 heaping teaspoon of the meat filling in the middle of each circle of pastry.
Fold over and seal the edges. Mix the egg white with 1 Tablespoon of water and brush over the pies.
Place on an ungreased baking sheet and bake in preheated 400 degree oven for 15-20 minutes.