Spaghetti bolognese - really healthy version

Still trying to eat healthily. This is a recipe adapted from traditional spaghetti bolognese using turkey instead of beef. I found a farmer butcher and he minced 500g grams of turkey breast for me. You could use leg meat.
To serve 6 you need:
1 tablespoon cooking oil
500g turkey minced
1 onion chopped
1 clove garlic crushed
2 chopped carrots
1 red pepper deseeded and diced
2 x 400g chopped tomatoes
1 tablespoon mixed herbs (I used sage, thyme, parsley)
Half a vegetable stock cube
2 tablespoons cornflour

1. Heat the oil in a large cast iron casserole or a saucepan and add the turkey. Cook gently for 3 minutes stirring to break up the meat. Add the chopped onion and garlic and cook for 2 more minutes.
2. Add the carrots and pepper and cook for 5 minutes, stirring.
3. Add the tinned tomatoes to the pan, sprinkle with the herbs and add the crumbled stock cube. Boil, then reduce heat and simmer for 15 minutes. Stir from time to time.
4. Mix the cornflour with 1 tablespoon of cold water and stir it into the pan. Cook for a few seconds until the sauce is thickened.
5. Serve with wholemeal spaghetti and a large fresh salad.

If you want, you can serve this in baked potatoes instead of with spaghetti.
http://www.cutleryandcatering.co.uk