Chicken With Capers

• 4 chicken breast (skinless boneless halves)
• 1 onion
• 1 clove garlic clove
• 80 gr mushrooms note
• 80 ml nonfat vegetarian broth beef flavor
• 45 ml balsamic vinegar
• 45 gr capers
• 18 gr tomato paste
• 5 ml vegetable oil note