Homemade Ketchup in Serbian Way Homemade ketchup another of my recipes on how to make ketchup tasty and juicy, which can also be used as an addition or topping for pasta, ragout bolognese and goulash, paprikash and tomato soups. The preparation is not difficult, it is very simple, ketchup is cooked for 1–2 hours. Follow recipe. See the instructions for sterilizing jars or bottles here. Ingredients: medium, total time: 4h 6 kg of mashed tomatoes/ without seeds and shells 12 pi