Slow-Simmered Beef Ragu with Tagliatelle

There are pasta sauces, and then there are ragùs that become the reason you set the table with your best plates. This one starts with a deep, patient browning of ground beef and a tangle of finely diced vegetables, then simmers low and slow until the tomatoes break down into a velvety, dark red cloak.

The tagliatelle ribbons are tossed directly into the sauce with a splash of pasta water, folding in parmesan and fresh mozzarella for a glossy, cheese-laced finish.

This slow-simmered beef ragù is the kind of sauce that makes you slow down and savor every bite. It starts with a generous pound of ground beef, seared until deeply caramelized, then joined by a classic soffritto of carrot, celery, and onion. Whole roasted tomatoes melt into the pot, and a long, gentle simmer coaxes out layers of rich, meaty flavor.

The star moment comes when fresh tagliatelle ribbons are tossed directly into the sauce with pasta water, parmesan, and cubes of mozzarella, creating a creamy, clingy coating that hugs every strand. Finished with a shower of basil and more cheese, this is comfort food at its most glorious.

Ingredients

Why this recipe works

The method here is all about building layers of flavor. Browning the ground beef until it's deeply caramelized creates a rich, savory base that no quick-cooking sauce can replicate. The vegetables are cooked in the same pot, picking up the browned bits and adding their own sweetness. This initial step isn't just browning; it's the foundation that makes the ragù taste like it simmered all day.

Simmering the sauce slowly allows the tomatoes to break down and meld with the beef, creating a thick, glossy texture that clings to pasta. The addition of pasta water at the end is a classic technique: the starch helps emulsify the sauce, making it silky and cohesive.

Tossing the pasta directly into the sauce rather than serving it on top ensures every ribbon is evenly coated, and the melted cheeses turn the whole thing into a luxurious, one-pot dish.

Notes and substitutions

Use a good-quality whole peeled tomato, preferably one that's roasted or fire-roasted for extra depth. If you can't find roasted, regular whole peeled tomatoes work beautifully.

The beef should be 80/20 ground beef, which has enough fat to stay juicy and flavorful during the long simmer. Fresh tagliatelle is ideal for this ragù because it's delicate and absorbs the sauce well; dried tagliatelle or pappardelle also work, just adjust the cooking time.

You'll need a large heavy-bottomed pot or Dutch oven to accommodate everything. A wooden spoon is perfect for breaking up the beef and stirring the sauce. The recipe calls for fresh mozzarella, which melts into creamy pockets; if you only have shredded low-moisture mozzarella, that's fine too. For a non-dairy version, omit the mozzarella and use a vegan parmesan alternative, but note the sauce will be less creamy.

• fresh tagliatelle: Use 12 oz dried tagliatelle or pappardelle; cook according to package directions until al dente.
• ground beef: Ground pork, ground veal, or a mix of ground meats works well.
• whole peeled tomatoes: Use 28 oz crushed tomatoes or tomato passata for a smoother sauce.
• fresh mozzarella: Shredded low-moisture mozzarella can be used; add it just before serving.

Equipment

• Large heavy-bottomed pot or Dutch oven
• Wooden spoon
• Large pot for pasta
• Tongs
• Chef's knife
• Cutting board