Batter Up Beef Pie

• 350 degree oven
• 8 baking dish in (square)
• 475 gr beef (cooked)
• 350 ml milk
• 240 gr beef gravy
• 190 gr flour
• 150 gr potatoes (cooked)
• 130 gr carrots (cooked)
• 110 gr onion (chopped)
• 110 gr cheddar cheese (grated)