1 1/2 lbs. ground beef
6 oz. pkg. long grain & wild rice
1 can mushroom soup
1 can cream of chicken soup
1 lg. can sliced mushrooms & juice
2/3 c. milk
1 sm. can sliced water chestnuts

Brown meat and drain. Mix meat and all ingredients together. Cover and bake at 325 degrees for 2 hours in a 9"x13" Pyrex dish. As you serve, top with sour cream.