To make pizza sauce, boil tomatoes in water for about 10 minutes. Now remove skin and blend them. Now heat olive oil in a pan and add bay leaf, cinnamon and cloves. Now add finely chopped onion and garlic to it and cook it until light pink. Now add prepared tomato paste to it and mix everything well. Add black pepper powder, chilli powder, oregano, sugar, tomato sauce and salt. Mix everything well and cook it until the sauce becomes thick. Let it cool down.