Now add your 800g Diced Chicken, breast or dark meat as you prefer stir in well. Add the chopped peppers. Mix the Chopped Tomatoes, Tomato Puree, Onion Puree, together in a jug with the water or stock and pour into the saucepan and mix in well.oil until soft, drain and puree with a hand blender or in a food processor. Freeze any extra you make for next time. Pour the oil into a large saucepan bring up to a high heat. Add the whole seeds and cook until they sizzle and crackle then add the chopped onions and reduce the heat to low.