Instructions

• Finely chop the onion, garlic and rosemary leaves together
• Heat a tblsp of olive oil in a saucepan
• Add the onion garlic rosemary mix and cook on a low heat until the onions are just starting to colour
• Add the passata and turn the heat right down to simmer
• Cook on simmer for 1 hour, continually stirring
• By now it should be thickening up and looking a lovely rich colour
• Season to your taste – I don’t add salt as usually my daughter eats this sauce too