Quick Fennel Sausage and Tomato Sauce
A rustic Italian-style ragù that comes together in under 30 minutes. Fennel seeds and fresh fennel bulb lend a subtle anise note that complements spiced Italian sausage, while crushed tomatoes provide body and brightness. This sauce is hearty enough to coat pasta, but light enough to finish in a single pot on the stovetop.
- Prep
- 10 min
- Cook
- 20 min
- Total
- 30 min
- Makes
- About 3 cups sauce (serves 4 over pasta)
Steps
Before you start
- Remove sausage from casings if using link sausage—prick the casing and squeeze the meat into a bowl
- Dice the fennel bulb into small, even pieces so it cooks quickly
- Have your tomatoes and garlic prepped and ready to add in quick succession
Brown the sausage
- Heat the olive oil in a 12-inch (30 cm) skillet over medium-high heat for 1 minute.
- Add the sausage meat, breaking it into small chunks with a wooden spoon.
- Cook, stirring occasionally, for 5–6 minutes, until the sausage is no longer pink and begins to brown.
- Pour off excess fat if there is more than 1 tablespoon pooled in the pan.
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Ready when: Sausage is cooked through and golden brown in spots, reaching an internal temperature of 160°F (71°C)
Tip: Don't overcrowd the pan—let the meat build color rather than steam. If the sausage releases too much fat, drain some off before moving forward.
Toast fennel seeds
- Add the fennel seeds to the pan and stir constantly for about 30 seconds until fragrant.
- This blooms the flavor and prevents them from tasting raw.
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Ready when: Fennel seeds smell warm and slightly sweet
Tip: Don't let them burn—if the pan is very hot, reduce heat slightly before adding them.
Add fennel and aromatics
- Add the diced fennel bulb and minced garlic, plus the red pepper flakes.
- Stir well and cook over medium heat for 3–4 minutes, until the fennel softens and the garlic is fragrant.
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Ready when: Fennel is translucent at the edges and softened
Tip: Lower the heat once you add the garlic so it doesn't burn and turn bitter.
Build the sauce base
- Stir in the tomato paste and cook for 1 minute, stirring constantly.
- This caramelizes the paste slightly and deepens its flavor.
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Ready when: Tomato paste is darker and fragrant
Tip: Stirring constantly prevents sticking and burning on the bottom of the pan.
Add tomatoes and simmer
- Pour in the crushed tomatoes with their juice.
- Stir to combine and bring to a gentle simmer over medium heat.
- Reduce the heat to medium-low and let the sauce bubble gently for 10–12 minutes, stirring occasionally.
- The sauce should reduce slightly and meld the flavors.
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Ready when: Sauce is cohesive, slightly thickened, and tastes integrated rather than raw
Tip: Stir occasionally so nothing sticks to the bottom. If the sauce seems too thin after 10 minutes, simmer a few minutes longer; if too thick, add a splash of water.
Season and finish
- Taste the sauce and adjust seasoning with kosher salt and freshly ground black pepper.
- If using fresh basil, tear or chop it and stir it in just before serving, or add whole leaves as a garnish.
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Ready when: Sauce tastes balanced and flavorful
Tip: Add basil at the very end so it stays bright and doesn't lose its aroma during cooking. Taste before serving—you may need more salt than expected because the sausage is already seasoned.
Good to know
Tips
- For the deepest sausage flavor, buy Italian sausage from a good butcher or specialty store rather than supermarket packages. Fennel-forward sausages work especially well here.
- This sauce clings beautifully to short pastas like penne, rigatoni, or fusilli. If you like a brothier sauce for spaghetti or tagliatelle, add up to ½ cup water at the end.
- Fresh fennel bulb is essential—dried fennel doesn't provide the same sweet, tender bite. Look for small, tight bulbs without browning.
- To make this sauce richer, finish with a knob of cold unsalted butter (½ to 1 tablespoon) stirred in after you turn off the heat. It adds silkiness and improves the sauce's mouthfeel.
Make ahead
You can make this sauce up to 2 days ahead. Cool completely, then refrigerate in an airtight container. Reheat gently on the stovetop over medium-low heat, adding a splash of water if it has thickened too much.
Storage & reheating
Room temperature (2 hours max). Refrigerate in an airtight container for up to 3 days. Freeze for up to 2 months. To reheat from frozen, thaw overnight in the fridge or heat gently in a saucepan over low heat, stirring occasionally and adding water as needed to loosen the sauce.
Substitutions
- fresh fennel bulb → 1 small onion, diced small, plus an extra ¼ teaspoon fennel seeds. This loses some of the fennel's anise sweetness, but keeps the sauce aromatic and quick.
- Italian sausage, bulk or links → ½ pound ground beef plus ½ pound ground pork, mixed with 1 teaspoon fennel seeds and ¼ teaspoon red pepper flakes. Mimics the spiced sausage flavor if you can't find good Italian sausage. Mix the seasonings in before browning.
- crushed tomatoes (canned) → One 28-ounce (800 g) can whole tomatoes, passed through a food mill or roughly crushed by hand. Whole tomatoes often have better flavor. The texture will be slightly chunkier.
- fresh basil leaves → 1 tablespoon fresh parsley, chopped, or a pinch of dried oregano. Parsley adds freshness; oregano is more traditional and doesn't spoil as quickly if you're making ahead.
