Tomato and Vegetable Sausage Casserole

Carrots, celery and mushrooms simmer in a tomato sauce with sausages for a simple family dinner. This version makes four portions; serve it with rice, a baked potato or carrot and swede mash.

Ingredients

• 12 sausages of your choice
• 4 carrots, diced
• 4 celery sticks, diced
• 1 onion, finely chopped
• 300g button mushrooms, halved
• 2 x 400g tins chopped tomatoes
• 300ml vegetable stock
• 1 tsp chopped fresh rosemary
• 2 tbsp chopped fresh parsley
• 1 level tsp sweetener granules, optional
• Cooking spray, plus salt and black pepper to taste