Spicy Peanut Chicken

• 2 tomatoes (plum)
• 1 cilantro leaves (fresh)
• 1/2 jalapeno
• 1/2 another use
• 200 gr chicken breast skinned
• 80 gr tomato puree
• 40 gr onion (whole)
• 28 gr peanut butter
• 16 ml lemon juice
• 7 gr corn safflower