Mist a pan/wok with low calorie cooking spray and set on a medium heat.
Add in the chopped onion, garlic and carrots, cook on a high heat for 5 minutes stirring frequently until the onions are browned. Add the curry powder and fry for a further minute.
Add the chicken stock, potatoes, butternut squash and contents of the frying pan to the slow cooker and cook on medium for 2 hours until the vegetables are soft.
Blitz the curry sauce with a stick blender until the sauce has a smooth consistency.
Spray a frying pan with low calorie cooking spray and add the chopped sausages and fry until lightly browned.
Add the sausages, courgette and peppers to the slow cooker with the curry sauce and cook on medium for a further 1-2 hours until the sausages are fully cooked and the sauce reduced.
Serve with rice, chips or even both!