2Blend the zucchini, carrots, and canned tomatoes until smooth.
3Add butter and olive oil to the pot.
4Add chopped onions and garlic to the pot.
5Add oregano, thyme, dried basil, mild chili flakes, fennel seeds, salt, pepper, and tomato paste to the pot with the onions and garlic, and stir to brown them together.
6Add beef mince to the pot and brown it until all the water has cooked out.
7Pour in the blended vegetable and tomato mixture.
8Add two bay leaves, one beef stock cube, and two cloves to the sauce.
9Slow cook the bolognese on high for 4 hours (or 8 hours if time permits).
10After slow cooking, add a tiny bit of dark chocolate to the bolognese.
11Add a splash of milk to the bolognese and stir until creamy.