Broccoli Beef Pie

• 4 eggs
• 3/8 onion (chopped)
• 450 gr beef (ground)
• 475 ml buttermilk bisquick
• 180 gr broccoli (chopped fresh)
• 120 ml milk
• 120 ml water
• 20 gr parmesan (grated)
• 1 gr salt
• 1 gr pepper