1Put the oil, butter, and chopped onion in the pot and turn the heat to medium.
2Cook and stir the onion until it has become translucent.
3Add the chopped celery and carrot and cook for about 2 minutes, stirring vegetables to coat them well.
4Add ground beef, a large pinch of salt, and a few grindings of pepper.
5Crumble the meat with a fork, stir well, and cook until the beef has lost its raw, red color.
6Add milk and let it simmer gently, stirring frequently, until it has bubbled away completely.
7Add a tiny grating — about 1/8 teaspoon — of nutmeg, and stir.
8Add the wine and let it simmer until it has evaporated.
9Add the tomatoes and stir thoroughly to coat all ingredients well.
10When the tomatoes begin to bubble, turn the heat down so that the sauce cooks at the laziest of simmers, with just an intermittent bubble breaking through to the surface.
11Cook, uncovered, for 3 hours or more, stirring from time to time.
12While the sauce is cooking, if it begins to dry out and the fat separates from the meat, add 1/2 cup of water whenever necessary to prevent sticking.
13At the end, no water at all must be left and the fat must separate from the sauce.
14Stir to mix the fat into the sauce, taste, and correct for salt.
15Toss with cooked drained pasta, adding the tablespoon of butter.
16Serve with freshly grated Parmigiano-Reggiano on the side.
Ingredients
1 tablespoon vegetable oil
3 tablespoons butter
0.5 cup chopped onion
0.66 cup chopped celery
0.66 cup chopped carrot
0.75 pound ground beef chuck (or you can use 1 part pork to 2 parts beef)
Salt
Black pepper, ground fresh from the mill
1 cup whole milk
Whole nutmeg
1 cup dry white wine
1.5 cups canned imported Italian plum tomatoes, cut up, with their juice
1.25 pounds pasta
Freshly grated Parmigiano-Reggiano at the table
Equipment
potfork
Tips
When sauce is cooking, add 1/2 cup of water whenever necessary if it starts to dry out, but ensure no water is left at the end and fat separates from the sauce.
At the end of cooking, stir to mix the fat into the sauce and correct for salt.