Amount
Ingredient
Preparation



1
pound
hash brown potatoes

frozen



1/2
teaspoon
onion powder





1
cup
sour cream





1
cup
soup, cream of mushroom





1
cup
cheddar cheese

shredded



1
x
parmesan cheese

 Mix all ingredients together except parmesan.  Put into greased 9x13 casserole dish.  Sprinkle parmesan over top, about 1/4 cup or so.  Bake for 1 hour at 4 degrees.  

This can be doubled easily.  Also can be prepared in advance and baked just before serving