Chicken Gorky

• 1 garlic clove (minced)
• 800 gr chicken breasts (boneless)
• 350 ml sour cream
• 180 ml chicken broth
• 70 gr butter
• 60 gr feta cheese crumbled
• 55 gr vodka heated
• 30 gr onion (chopped)
• 18 gr tomato paste
• 8 gr flour