Finely dice carrots and onions.In a large pot, melt the butter together with a tablespoon of olive oil.
Add the diced vegetables with a bouquet of aromatic herbs.
Add 2 cloves of unpeeled garlic.
Cook over medium heat for 5/6 minutes.
Season with salt and pepper.
Remove the garlic cloves.
Add the ground meat.
Cook everything for 5/6 minutes over medium heat, stirring well.
Increase the heat and deglaze with red wine. Let the red wine evaporate, then lower the temperature.
Add the tomato and let it cook over low heat for 15 minutes, stirring well.
Remove the aromatic herbs and add the milk.
Taste and adjust the seasoning.Let it cook slowly for 15-20 minutes.
When the tomato has reduced well, your Bolognese sauce is ready.