Fresh tomato salsa

Name: Fresh tomato salsa
Ingredients: 6 tomatoes, deseeded, chopped; 1 small red onion, peeled, chopped; 1 small green chilli, deseeded, finely chopped; 2 tbsp freshly ground coriander; 2 tbsp freshly squeezed lime juice; 2 tbsp maple syrup; 2 tbsp tomato ketchup (optional); 1 tsp balsamic vinegar; salt and freshly ground black pepper; salt and freshly ground black pepper