This dish freezes well. It serves about 4-6.
2 large onions, peeled and finely chopped
4 tablespoon olive oil
1 garlic clove, crushed
1 medium marrow, peeled, de-seeded and chopped into cubes
6 large tomatoes, skinned and chopped
2 tablespoons tomato puree
2 teaspoons dried mixed herbs
Salt and freshly milled black pepper
Heat the oil and cook the onions and garlic for 5 minutes until they are soft.
Add the marrow and fry for another 5 minutes.
Stir in all the other ingredients and simmer until the vegetables are tender, about 30 minutes.