1 lb. ground beef
1 (4 oz.) can mushrooms, drained
1 (3 1/2 oz.) can French fried onions
1 can cream of mushroom soup
1/2 c. sour cream
1 (9 1/2 oz.) can Pillsbury biscuits

TOPPING:

1/2 c. sour cream
1 egg
1 tsp. celery seed
1/2 tsp. salt

Combine the above ingredients and blend well.

Brown beef. In ungreased 2 1/2 or 3 quart deep casserole, combine beef, mushrooms and all but 1/2 cup fried onions; toss lightly together. Bring soup to boil, stir in cream. Pour warm mixture over meat. Separate dough in 10 biscuits. Cut each one in half crosswise. Arrange biscuits cut side down in circle around edge of casserole.

Sprinkle remaining onions between biscuits. Pour topping over biscuits. Bake at 375 degrees for 25 to 30 minutes or until golden brown.