Step 1: 1. In a bowl mix the balsamic vinegar, honey, worcester sauce, garlic, sugar, pepper and olive oil.
Step 3: 2. Place the chicken breast in to the bowl with the mixture. Cover the bowl in cling film or foil and shake gently, coating the chicken.
Step 5: 3. Place in the fridge for 1-2 hours, shaking in gently half way through.
Step 7: 4. Heat a little oil in a frying pan and cook the chicken for 10-15 minuets, juice may seep from the chicken, don’t worry! The sauce caramelises and adds flavour.