Turn your Slow Cooker on to a warm setting.
Spray the Slow Cooker (Crockpot) bowl with olive oil Note 6
Add beef mince, sliced mushrooms, diced carrot, passata, crushed tomatoes, salt, pepper, garlic, dried onion and Italian herbs to the oiled bowl.
Use a wooden spoon to stir these ingredients together so the herbs and sauces and mixed in well to the vegetables and sauces.
Turn Slow Cooker to low, cook for 4 hrs (or 2 hrs on high)
Cook spaghetti according to packet instructions, then drain. Note 7
Plate cooked spaghetti and spoon Slow Cooker Bolognese over the top
Garnish with cracked pepper, parmesan cheese and freshly chopped parsley. Note 8