Pasta e fagioli sits somewhere between soup and stew — thicker than a broth, heartier than most pasta dishes. The beans do double duty: some stay whole to give body, and you crush the rest against the side of the pot to thicken the liquid without any added starch. Pancetta goes in first and renders enough fat to build the whole base in the same pot. The pasta cooks directly in the broth, soaking up the flavour as it softens. One pot, thirty-five minutes.

One-Pot Pasta e Fagioli

Scale

Method

Warm the olive oil in a Dutch oven or large heavy pot over medium heat. Add the pancetta and cook, stirring occasionally, until it renders its fat and turns lightly crisp.
5 min
Add the onion, celery, and carrot. Cook, stirring occasionally, until the vegetables have softened and the onion is translucent.
6 min
Stir in the garlic and tomato paste. Cook until the paste darkens slightly and smells sweet rather than raw — this concentrates the tomato flavour.
2 min
Pour in the broth. Tip in the cannellini beans and tuck in the rosemary sprig (and Parmesan rind if using). Bring to a steady simmer, then use the back of a spoon to crush about a third of the beans against the side of the pot. This thickens the broth without any extra starch.
5 min
Stir in the pasta. Cook uncovered, stirring every couple of minutes so nothing sticks to the bottom, until the pasta is just tender with a little bite.
11 min
Remove and discard the rosemary sprig and Parmesan rind. Taste and season with salt and pepper. Ladle into bowls, drizzle with extra-virgin olive oil, and scatter over the parsley.

Substitutions

Pancetta — Diced bacon works well. For a vegetarian version, omit the pancetta entirely and use vegetable broth — start with two tablespoons of olive oil to build the base.
Ditalini — Any small pasta holds up here: elbow macaroni, small shells, or broken spaghetti. Orzo cooks faster and makes the soup slightly creamier.
Cannellini beans — Borlotti (cranberry) beans are the traditional choice and give a slightly earthier result. Navy beans or Great Northern beans are also good.

Storing leftovers

Keeps for four days in the fridge. The pasta keeps absorbing liquid as it sits — add a splash of broth or water when reheating over medium-low heat and stir to loosen. Can be frozen; for best results, freeze before adding the pasta and cook fresh pasta into it when reheating.

Questions

The soup thickened to a paste in the fridge overnight — is that normal?

Yes. The starch in the pasta keeps drawing in liquid even after cooking. Add a good splash of broth or water when reheating and stir over medium-low heat until it loosens again.

Can I make this without the pancetta?

Yes. Skip it, use vegetable broth, and start with two tablespoons of olive oil. The beans and tomato paste carry plenty of flavour — the soup is different but still complete.

I don't have a Parmesan rind. Does it matter?

No. It adds a subtle savoury background to the broth, but the dish holds up fine without it. Stir a tablespoon of finely grated Parmesan into each bowl at the end instead.