Beef and Potao Biscuit casserole

1 lb. hamburger
3 T. drid onion
1 t. salt
1/4 C. water
2 T. butter
1 C. instant potato mix
1/4 C. sour cream
2/3 C. bisquick
1 egg
1 can cream of chicken coup
3 T. bisquick
1 bag of frozen broccoli, thawed, drained
1/4 C. ketchup

Cook beef and onion until meat is brown. In a panheat water and buter to boiling. Remove from heat. Stir in potato mix and sour cream. stir until smooth and add 2/3 C. bisquick and egg. In a bowl mix soup and 3 T. bisquick . Stir soup mixture, broccoli and ketchup into beef mixture. Heat to boilling pour mixture into a 3-quart casserole dish. Spoon potato mixture around edge of mixture in casserole dish.
Bake at 400 for 25-30 minutes