Chicken Pot Pie#2

• 1,900 ml water
• 1,600 ml broiler fryer up (cut)
• 700 gr all purpose flour
• 180 ml sour cream
• 95 gr cubed potato (peeled)
• 95 gr scraped carrot (chopped)
• 60 gr onion (chopped)
• 55 gr butter
• 32 gr all purpose flour
• 6 gr salt