Heat 2 teaspoons vegetable oil in a frying pan or curry pan over a medium head. Add 1 onion, sliced, 1/4 red pepper, sliced, 1/4 green pepper, sliced, and 1 salad tomato, quartered. Stir-fry for 2 minutes. Add 1/4 teaspoon cumin seeds and 1 fresh green finger chilli and and stir-fry for another 20 seconds.
Add 80 millilitres curry broth, 1 teaspoon garlic ginger paste, 1/2 teaspoon tomato puree, 1/4 teaspoon mild red chilli powder, 1/2 teaspoon dried fenugreek leaves (methi), pinch sea salt and 1 small handful fresh coriander leaves, finely chopped. Mix well and simmer for 2 minutes.
Add 1 portion cooked chicken for curry dishes and another 80 millilitres curry broth and mix well. Simmer for 2 minutes. Add 2 teaspoons cashew butter, 15 grams creamed coconut and the remaining 80 millilitres curry broth, mix well and simmer for 2 minutes until the curry sauce is slightly thick and bubbling hot.
Transfer the chicken jalfrezi curry to a serving bowl and finish with a little more fresh coriander and 1/2 teaspoon flaked almonds . Serve with your favourite Indian rice and breads.