Prepare pie crust according to package directions for *filled one-crust pie* using 9" pie pan. Heat oven to 350F.
In medium bowl, combine milk, eggs, dry mustard, and pepper; set aside. Layer ham, cheese, broccoli and onion in pie crust. Pour egg mixture over ham, cheese and broccoli. Bake for 40 50 minutes or until knife inserted in center comes out clean. Cool 5 minutes before serving.