Vegetarian Pot Pie

• 4 pepper green
• 1,100 gr casserole dish with vegetable spray
• 475 ml vegetable broth
• 240 ml milk skim
• 250 gr carrots
• 220 gr all purpose flour
• 180 ml buttermilk
• 160 gr beans green
• 120 gr onion (chopped)
• 120 ml wine table