Chicken Breasts Stuffed W/garlic, Ginger, Ham & Tarragon

• 6 chicken breasts (boneless)
• 3 garlic clove (peeled finely chopped)
• 2 wide (inches)
• 1 lemon
• 5/8 lemon zest in a bowl
• 1/2 tarragon
• 240 ml chicken stock
• 110 gr ham
• 65 gr tarragon (fresh)
• 45 ml lemon juice