Heat your ghee or vegetable oil in a pan and add your diced onions and cook until the onions are soft. This should take about five minutes.
Add the garlic and ginger paste and cook for one minute.
Add the tomato concentrate paste, tandoori masala, garam masala, paprika, ground coriander, ground cumin, coconut powder, almond powder - ensuring the onions are coated and cook for 30 seconds. Add a splash of stock too to ensure the spices don't burn.
Add sugar, mango chutney, tinned chopped tomatoes and chicken stock and bring it to the simmer for 2-3 minutes.
Transfer the mix into a blender and blend until smooth.
Add the mix back into the pan and add 50ml of chicken stock. Simmer for 5 minutes.
Add lemon juice, kasuri methi and 250ml of single cream.
Add 2 tsp of red food colouring.
Take off the heat and garnish with coriander and 25ml of single cream.