Chickpea Scotch eggs

1. Heat the oil in a pan over a medium heat and fry the onion and garlic until translucent.
2. Add the tomato paste and tomatoes and bring to a simmer.
3. Add the remaining ingredients and simmer for a further 30 minutes or until thick, then remove from the heat.
Cook's note: Makes 2 cups of sauce, enough to marinade 12 chicken wings.