Heat the oil in a large saucepan or deep frying pan over a medium heat. Add the onion and cook for 5 minutes, until softened.
Stir in the garlic and grated ginger and cook for 1 minute.
Add the curry paste or curry powder and garam masala. Cook for 1–2 minutes, stirring, until fragrant.
Add the diced sweet potato, grated courgette and red pepper. Cook for 3–4 minutes, stirring occasionally.
Pour in the chopped tomatoes and coconut milk cover and cook for 10–15 minutes, until the veg is soft, test with a sharp knife. Blend the sauce with a hand blender or jug blender, add the sauce back to the pot if using a jug blender.
Add the diced chicken to the sauce, stir well and bring back to a simmer, stirring occasionally until the chicken is cooked through 10-15 mins. Stir through the mango chutney.
Taste and season with salt and freshly ground black pepper, if needed.
Serve with rice, naan or my 2 ingredient flat breads.
Tips: Add a handful of spinach or peas towards the end for even more vegetables. This curry is mild and family-friendly, but add a little chilli if you prefer more heat.
Storage: Store in an airtight container in the fridge for up to 3 days.Freeze in suitable portions for up to 3 months. For easy meal prep, freeze individual portions so you can take out exactly what you need. overnight in the fridge and reheat until piping hot throughout before serving.