Slovenian Mushroom Pastries - cooking recipe

Ingredients

2 1/2 c. all-purpose flour
2/3 c. butter, at room temperature
8 Tbsp. sour cream
2 eggs
2 Tbsp. olive oil
1 onion, finely minced
1/2 lb. mushrooms, finely chopped
salt and freshly ground pepper
dash of dried tarragon

Preparation

Combine flour, butter, 6 tablespoons sour cream and 1 egg to make soft dough.
Cover with plastic.