Hash Brown Au Gratin
["2 pkg. hash browns (for spicier, use Potatoes O'brien)", "1/4 c. melted butter or margarine", "1-1/2 c. sour cream", "3 cans mushroom soup", "1-1/2 to 2 c. shredded cheese (cheddar, jack, colby)", "1/2 c. chopped green onions (optional)", "1/2 c. chopped olives (optional)"]
["Mix all ingredients together and put into 9x13-inch baking dish.", "Bake at 350 degrees for 1 to 1-1/4 hours."]
["hash browns", "butter", "sour cream", "mushroom soup", "shredded cheese", "green onions", "olives"]