Slow-Simmered Italian Sausage Ragu

Slow-Simmered Italian Sausage Ragu

Rich, deeply savory meat sauce with coarse browned sausage crumbles, melted aromatic vegetables, and sweet San Marzano tomatoes simmered into a velvety finish.

2h 10mIntermediate6 servings
Remix

Equipment

Dutch oven
Chef's knife
Cutting board
Wooden spoon
Instant-read digital thermometer
Measuring scale

Ingredients

6 servings

Meat and aromatics

  • 500 g sweet italian pork sausage, raw, casings removed
  • 30 ml extra-virgin olive oil
  • 1 yellow onion, finely diced
  • 1 carrot, peeled and finely diced
  • 2 celery stalk, finely diced
  • 4 garlic clove, minced

Sauce liquids and base

  • 45 g tomato paste, concentrated
  • 120 ml dry red wine
  • 800 g canned whole san marzano tomatoes
  • 240 ml low-sodium beef broth

Seasonings and herbs

  • 2 g dried oregano
  • 2 bay leaf, whole dried leaves
  • 4 g fine sea salt
  • 2 g freshly ground black pepper
  • 10 g fresh basil leaves, fresh leaves, torn

Nutrition (per serving)

Nutrition is estimated per serving. Nutrients without complete source data are omitted.

246
Calories
16g
Protein
13g
Carbohydrates
12g
Fat
Full nutrition
Calories
246 kcal
Protein
16 g
Carbohydrates
13 g
Fat
12 g
Water
136 g

Sources: Aggregated Public Data, USDA FoodData Central

Method

01

Peel and finely dice the yellow onion and carrot, trim and finely dice the celery, and mince the garlic cloves using a chef's knife on a clean cutting board before handling raw meat to prevent cross-contamination.

10mLook for: Aromatics cut into uniform 3-millimeter dice
02

Place the Dutch oven over medium heat at 175 degrees Celsius (350 degrees Fahrenheit) and pour in the extra-virgin olive oil, heating until the oil shimmers across the bottom of the pot.

2mLook for: Oil flows freely and exhibits light shimmering ripples
03

Add the raw bulk sausage to the hot oil, breaking it up with a wooden spoon into bite-sized nuggets, and sear until thoroughly browned and cooked to an internal temperature of at least 71 degrees Celsius (160 degrees Fahrenheit) on an instant-read digital thermometer, about 10 minutes. Immediately wash any utensils that touched the raw sausage.

10mLook for: Sausage pieces are deeply browned on the edges with no pink centersFeel: Firm, springy crumbles with clear rendered fat in the pan
04

Add the diced onion, carrot, and celery directly to the Dutch oven with the sausage and rendered fat, and saute over medium-low heat at 150 degrees Celsius (300 degrees Fahrenheit) for 8 minutes until softened and translucent.

8mLook for: Onions turn glossy and translucent without picking up dark brown colorFeel: Vegetables yield easily when pressed with a wooden spoon
05

Stir in the minced garlic and tomato paste, mixing continuously over medium-low heat for 2 minutes until the paste caramelizes to a deep brick-red color and turns intensely fragrant.

2mLook for: Tomato paste transitions from bright crimson to a dark, rust-like hue
06

Pour the dry red wine into the pot to deglaze, vigorously scraping the caramelized fond from the bottom of the Dutch oven with the wooden spoon, and simmer for 3 minutes until the liquid reduces by half.

3mLook for: Bottom of the Dutch oven is completely smooth and wine volume is reduced by half
07

Add the canned San Marzano tomatoes with their juices into the pot, crushing the whole tomatoes against the side of the Dutch oven with the wooden spoon, and pour in the low-sodium beef broth.

2mLook for: Tomatoes broken into irregular rustic pieces and blended into the braising liquid
08

Season the sauce with dried oregano, fine sea salt, and freshly ground black pepper, then tuck the two whole dried bay leaves into the liquid and stir thoroughly.

1mLook for: Seasonings and bay leaves submerged evenly across the pot
09

Reduce the heat to low, cover the Dutch oven with the lid left slightly ajar to let steam escape, and simmer gently at 85 degrees Celsius (185 degrees Fahrenheit) for 1 hour and 30 minutes, stirring every 15 to 20 minutes to prevent scorching.

1h 30mLook for: Sauce is concentrated, thick, deep red, and coats the back of a spoon without runningFeel: Tender meat morsels suspended in a glossy, unified sauce
10

Turn off the heat, remove and discard both bay leaves, and stir the freshly torn basil leaves into the hot sauce just before ladling over pasta.

2mLook for: Fresh basil leaves wilt gently into the glossy red sauce

Chef's Notes

  • Always finish your pasta directly in the sauce: transfer al dente pasta into a skillet with several ladles of ragu and 60ml of starchy pasta water, tossing over medium heat for 60 seconds to create an emulsion that binds to every noodle.
  • The fond that develops when browning the sausage holds concentrated glutamates; taking time to thoroughly scrape the pot during wine deglazing delivers restaurant-grade depth.
  • This ragu improves noticeably after resting overnight in the refrigerator, as the pork fat, aromatic vegetables, and tomato pectin equilibrate.
  • If using a sausage that contains whole fennel seeds, crush them lightly before cooking to unlock their essential oils and distribute licorice notes evenly through the sauce.

Storage

Refrigerator: 4 daysCool completely and store in a covered, airtight container at or below 4 degrees Celsius.

Freezer: 3 monthsFreeze in airtight freezer-safe containers or heavy-duty freezer bags leaving 2 cm of headspace for liquid expansion.

Reheating: Warm gently in a saucepan over medium-low heat, stirring frequently until steaming hot and reaching a minimum internal temperature of 74 degrees Celsius (165 degrees Fahrenheit).

Troubleshooting

Sauce tastes harsh, sharp, or excessively acidic

Cause: The tomato paste was not cooked down sufficiently before adding liquid, or the canned tomatoes were naturally high in acid

Fix: Simmer the sauce for an additional 15 minutes uncovered to round out acidity, or stir in 2 to 3 grams of finely grated carrot to balance sharpness naturally

Prevention: Allow the tomato paste to caramelize fully to a deep brick red during step 5 before deglazing

Sausage crumbles and vegetables stick and scorch on the bottom of the Dutch oven

Cause: The burner temperature was set too high during the long simmer or the pot was not stirred frequently enough

Fix: Immediately pour the top unburned sauce into a fresh clean pot without scraping the bottom, and discard the charred layer

Prevention: Maintain a gentle low simmer at 85 degrees Celsius and use a heavy-bottomed Dutch oven that distributes heat evenly

Sauce separates into pools of clear red liquid and dense meat rather than clinging to pasta

Cause: The sauce was simmered with a tight lid closed, preventing necessary moisture evaporation and natural reduction

Fix: Remove the lid entirely and simmer over medium-low heat for 10 to 15 minutes while stirring until excess water evaporates

Prevention: Ensure the lid remains slightly ajar throughout the 90-minute simmer to allow steady steam release

Cultural Context

Ragu di salsiccia is a quintessential country-style meat sauce native to central and northern Italy, particularly across the pastoral regions of Emilia-Romagna, Tuscany, and Umbria. Born from the tradition of rustic farm cooking, it was designed to extract maximum savor from cured and seasoned pork scraps paired with simple garden staples like carrots, celery, and onions. Unlike quick marinara sauces, it relies on slow braising in wine and crushed tomatoes, making it an enduring partner for sturdy pasta shapes like rigatoni, pappardelle, or fresh tagliatelle.

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