Mushroom Pie - cooking recipe

Ingredients

1 lb. mushrooms
1/4 c. chopped onion
3 Tbsp. butter
2 Tbsp. flour (scant)
1/3 c. Parmesan cheese
1 egg
1 c. sour cream

Preparation

Saute onions in butter.
Add mushrooms; cook 8 minutes or until juicy.
Add flour and cheese.