Start by finely chopping one carrot, one celery stalk, and one onion.
1 Carrot, 1 stalk Celery, 1 Onion
Heat a drizzle of olive oil in a large saucepan over medium heat.
2 tablespoons Olive oil
Add the chopped vegetables to the pan and sauté until they become translucent.
Next, add 250 grams of ground beef and 250 grams of ground pork to the pan.
250 grams Ground beef, 250 grams Ground pork
Cook the meat, breaking it up with a spoon, until it is browned and cooked through.
Pour in 125 milliliters of red wine and stir to deglaze the pan, scraping up any browned bits from the bottom.
1/2 cup Red wine
Add two tablespoons of tomato paste and 400 grams of tomato puree to the pan.
2 tablespoons Tomato paste, 1 cup Tomato puree
Season with salt, pepper, and a bay leaf for added flavor.
Salt, Pepper, 1 Bay leaf
Reduce the heat to low and let the sauce simmer for at least three hours, stirring occasionally to prevent sticking.
During the last 30 minutes of cooking, stir in 100 milliliters of milk to add richness and creaminess to the sauce.