Ingredients

Steps

• Sieve the chopped tomatoes into a saucepan and discard the remaining pulp.
• Add tomato purée, orange juice, both sugars, and malt vinegar to the pan and stir.
• Bring the mixture to a boil over medium heat.
• Dissolve cornflour in water and stir into the boiling sauce until thickened.
• Stir in the liqueur if using and serve.