Equipment
Ingredients
Base and Aromatics
- 100 g pancetta, diced into 5 mm cubes
- 30 ml extra virgin olive oil
- 180 g leek, cleaned, halved lengthwise, and thinly sliced
- 120 g carrot, peeled and cut into 5 mm dice
- 100 g celery, trimmed and cut into 5 mm dice
- 15 g garlic, peeled and finely minced
- 30 g tomato paste
Grains, Legumes, and Broth
- 200 g semi-pearled farro, dry
- 480 g canned cannellini beans, drained and rinsed
- 1500 ml low-sodium vegetable broth
- 1 parmesan cheese rind
- 2 fresh rosemary, whole sprigs
- 4 fresh thyme, whole sprigs
- 1 dried bay leaf
Greens and Seasoning
- 140 g lacinato kale, stemmed and cut into 1 cm ribbons
- 8 g fine sea salt
- 2 g ground black pepper, freshly cracked
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 377 kcal
- Protein
- 17 g
- Carbohydrates
- 52 g
- Fat
- 12 g
- Saturated Fat
- 1 g
- Vitamin C
- 37 mg
Sources: Aggregated Public Data, USDA FoodData Central
Method
Place dry farro in a fine mesh colander and rinse under cold running water for 30 seconds to remove surface dust, then set aside to drain completely.
Set the Dutch oven over medium heat at 160°C (320°F), add the diced pancetta if using, and cook for 6 to 8 minutes while stirring occasionally until the fat renders out and the meat turns golden-brown and reaches at least 63°C (145°F). If cooking the vegetarian version, omit the pancetta and proceed to the next step.
Add 15 ml of extra virgin olive oil (or 30 ml total if omitting pancetta) to the pot, followed by the sliced leeks, diced carrot, and diced celery.
Stir in the minced garlic and cook for 1 minute until highly fragrant, taking care not to let it brown.
Add the tomato paste and stir continuously for 2 minutes, cooking it down against the bottom of the pot until it darkens from bright red to a deep rust color.
Pour in 200 ml of the vegetable broth and scrape the bottom of the pot vigorously with the wooden spoon to dissolve all caramelized browned bits.
Add the remaining 1300 ml vegetable broth, the rinsed farro, 240 g of the drained cannellini beans (reserving the other 240 g), the rosemary sprigs, thyme sprigs, bay leaf, and parmesan rind if using.
Increase heat to medium-high and bring the liquid to a rolling boil at 100°C (212°F).
Reduce heat to low, cover the Dutch oven with a tight-fitting lid, and simmer gently at 85°C to 90°C (185°F to 194°F) for 30 minutes, stirring twice to prevent grains from settling.
Uncover the pot, insert an immersion blender into one side of the Dutch oven, and pulse 4 to 6 times to partially crush roughly one-third of the cooked beans and vegetables, creating a thick potage consistency while keeping most farro whole.
Stir in the reserved 240 g whole cannellini beans and the ribboned lacinato kale, then simmer uncovered over low heat for 10 minutes until the kale is tender and wilted.
Turn off the heat, locate and remove the rosemary sprigs, thyme sprigs, bay leaf, and parmesan cheese rind with tongs or a spoon, and discard them.
Season the potage with the 8 g fine sea salt and 2 g freshly ground black pepper, taste, and adjust seasoning as needed.
Ladle 400 g of steaming potage into each wide shallow soup bowl and drizzle each serving with 2.5 ml of the remaining high-quality extra virgin olive oil before serving.
Chef's Notes
- Semi-pearled farro strikes the ideal balance for soups: part of the bran is removed so it cooks tender within 30 minutes while retaining its nutty toothsome bite and releasing enough starch to thicken the broth naturally.
- Puréeing only a fraction of the soup creates the classic potage texture—luxuriously creamy without requiring any heavy cream, roux, or butter.
- If preparing the vegetarian version, adding a piece of parmesan rind or a teaspoon of white miso delivers the savory glutamates normally provided by cured pancetta.
- This potage is an exemplary make-ahead dish: cooling and resting overnight allows the starch, aromatic herbs, and alliums to meld into an even deeper, more cohesive flavor profile.
Storage
Refrigerator: 4 days — Cool soup rapidly to below 4°C (40°F) within 2 hours of cooking and store in an airtight container. The farro will continue absorbing broth as it sits, so thin with extra water or broth upon reheating.
Freezer: 3 months — Store in freezer-safe containers leaving 2.5 cm headspace for liquid expansion. Thaw overnight in the refrigerator before reheating.
Reheating: Transfer soup to a heavy saucepan over medium-low heat. Add 50 to 100 ml of water or vegetable broth to loosen the starches, stirring regularly until bubbling vigorously throughout and the internal temperature registers at least 74°C (165°F) on a digital thermometer.
Troubleshooting
Potage becomes too thick like porridge upon standing or reheating
Cause: Farro is rich in starch and naturally continues absorbing liquid even after the heat is turned off
Fix: Whisk in 60 to 120 ml hot vegetable broth or water over low heat until the potage regains a velvety soup consistency
Prevention: Do not over-reduce the broth during the final simmer; maintain a moist, flowing consistency
Farro remains hard or unpleasantly chalky after 30 minutes
Cause: Whole unpearled farro was used instead of semi-pearled, or the simmer temperature was too low
Fix: Add 100 ml hot water, cover, and continue simmering over low heat for an additional 15 to 20 minutes until tender
Prevention: Confirm package label states semi-pearled (farro semi-perlato) or pre-soak whole farro in cold water for 4 hours
Soup tastes flat or overly vegetal
Cause: Insufficient salt to balance the dense starches in the beans and farro, or omission of pancetta without flavor adjustment
Fix: Stir in an additional 1 to 2 g of fine sea salt and a squeeze of fresh lemon juice or drop of red wine vinegar to awaken flavors
Prevention: Season carefully in layers and ensure tomato paste is caramelized sufficiently during prep
Cultural Context
Originating from the Garfagnana and Lucca areas of northern Tuscany, farro soups (zuppe di farro) date back to ancient Roman antiquity when emmer wheat formed the cornerstone of the agrarian diet. Rooted deeply in the tradition of cucina povera, Tuscan cooks combined locally grown legumes and grains with winter garden staples like leeks and lacinato kale to provide hearty, slow-burning fuel through cold months. Traditionally cooked in earthenware pots over hearth embers, modern variations comfortably oscillate between rustic meat-scented versions and naturally plant-focused village recipes.










