Roasted Yellow Pepper Soup

• 5 peppers (yellow)
• 3 garlic (cloves minced)
• 2 onions (yellow chopped)
• 475 ml milk warmed (slightly)
• 240 ml chicken stock
• 28 gr butter
• 8 gr flour preferably wondra
• 3 gr coarse salt
• 1 gr pepper (freshly ground)
• 1 gr cumin (ground)