Peel the onion and garlic and chop them finely. Put them in a large cooking pot.
Peel the carrots and parsnips, cut them into small cubes and add them.
Wash the rest of the vegetables, cut them into small cubes and add them.
Add the olive oil and sauté the vegetables over low heat until they are cooked. Stir regularly.
In the meantime, put the minced meat in a bowl.
Season with cayenne pepper, paprika powder, pepper, and salt.
Add the egg and mix.
Cut the crusts off the bread and break the bread into pieces.
Add the bread and a splash of milk and mix until it becomes a paste.
Add the bread to the minced meat and roll into balls.
Put a splash of olive oil in a pan and fry the meatballs until they are golden brown on all sides.
After 5 to 10 minutes, add the tomato passata and tomato paste to the vegetables.
Put the lid on the pot and let the sauce simmer for 20 minutes.
Blend the sauce with an immersion blender.
Add the meatballs to the sauce and let them cook for another 5 minutes in the sauce.
Add coconut blossom sugar or agave syrup to balance the sour taste of the tomatoes.
Cook the spaghetti according to the instructions on the package.
Drain the spaghetti, divide it onto the plates, and spoon a generous amount of sauce over it. Finish with grated cheese.