Cod Burgers With Homemade Tomato Ketchup

Name: Cod Burgers With Homemade Tomato Ketchup
Ingredients: 1.5kg of cod fillet, skinless and boneless, diced; 1 pinch of salt; 4 shallots, peeled and finely chopped; 8 garlic cloves, peeled and finely chopped; 5 tbsp of flat-leaf parsley, chopped; 5 tbsp of basil, chopped; 3 eggs; 250 g of breadcrumbs; 10 burger buns; 200 g of rocket, washed; 3 beef tomatoes, sliced; 120 ml of olive oil; 1 pinch of black pepper; 1 kg of tomato, washed and chopped; 1 red onion, peeled and chopped; 2 garlic cloves, peeled and sliced; 2 tsp of thyme, chopped; 150 ml of red wine vinegar; 1/2 cinnamon stick; 2 bay leaves; 10 black peppercorns; 50 g of caster sugar; 1 tbsp of olive oil