Chicken Szechuan

• 3 green tea
• 2 chicken beasts (whole)
• 1 scallion
• 65 gr sesame paste
• 45 ml peanut oil
• 30 ml wine vinegar
• 22 ml dry sherry
• 18 gr szechuan peppercorns
• 12 ml soy sauce
• 6 gr pepper (crushed red)