Print
clockclock iconcutlerycutlery iconflagflag iconfolderfolder iconinstagraminstagram iconpinterestpinterest iconfacebookfacebook iconprintprint iconsquaressquares iconheartheart iconheart solidheart solid icon

Slow Cooker Ground Beef Pasta Sauce

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

One and a half pounds of 80/20 ground beef browned in batches until deeply caramelized, deglazed with dry red wine, combined with sautéed onion and garlic and cooked tomato paste, then slow-cooked on LOW for six to eight hours with crushed San Marzano tomatoes, dried oregano, basil, bay leaves, and red pepper flakes — the tomatoes sweetening and concentrating over the hours, the beef breaking into the sauce, the herbs blooming fully into the liquid. Fresh basil torn over the top immediately before serving. Ladled generously over properly salted, al dente pasta with freshly grated Parmigiano-Reggiano and a drizzle of olive oil. The sauce that fills the house with the smell of Sunday and asks almost nothing in return.

  • Total Time: 6 hours 35 minutes
  • Yield: 4–6 servings 1x

Ingredients

Scale

The Beef Base

  • 1.5 lbs (680g) ground beef, 80/20
  • 2 tbsp extra virgin olive oil

The Aromatics

  • 1 large yellow onion, finely diced
  • 4–6 garlic cloves, minced
  • 2–3 tbsp tomato paste

The Tomatoes

  • 1 can (28 oz / 800g) crushed San Marzano tomatoes

The Wine

  • ½ cup (120ml) dry red wine (or beef broth + 1 tbsp balsamic vinegar)

The Seasonings

  • 1 tsp dried oregano
  • 1 tsp dried basil
  • ¼ tsp red pepper flakes
  • 2 bay leaves
  • 1 tsp salt, plus more to taste
  • ½ tsp black pepper
  • Pinch of sugar (optional)

The Fresh Finish

  • Large handful fresh basil leaves, torn — added after cooking

For Serving

 

  • 1 lb (450g) spaghetti, rigatoni, or pasta of choice
  • Freshly grated Parmigiano-Reggiano
  • Extra virgin olive oil for drizzling

Instructions

  • Brown the beef. Heat one tablespoon of olive oil in a large skillet over medium-high heat. Add the ground beef and cook, breaking it into small crumbles with a wooden spoon, until no pink remains and the beef is developing some browned color — 8 to 10 minutes. Do not drain all the fat — leave a small amount in the skillet. Transfer the browned beef to the slow cooker.
  • Build the aromatics. Reduce heat to medium. Add the remaining tablespoon of olive oil to the same skillet. Add the diced onion and cook for 3 to 4 minutes until softened and translucent. Add the minced garlic and tomato paste and cook for 1 to 2 minutes, stirring constantly, until the tomato paste darkens slightly.
  • Deglaze with wine. Pour the dry red wine into the skillet. Stir and scrape up every browned bit from the bottom. Allow to bubble and reduce for 1 minute. Pour the entire contents of the skillet into the slow cooker.
  • Add the tomatoes and seasonings. Pour the crushed tomatoes into the slow cooker. Add the dried oregano, dried basil, red pepper flakes, bay leaves, salt, pepper, and sugar if using. Stir everything together thoroughly.
  • Cook. Set the slow cooker to LOW and cook for 6 to 8 hours, until the sauce is deeply flavored, slightly thickened, and a rich, dark red. Do not lift the lid during cooking.
  • Finish. Remove and discard the bay leaves. Taste the sauce and adjust seasoning — salt, pepper, a pinch more sugar if the tomatoes are acidic. Stir in the torn fresh basil immediately before serving.
  • Cook the pasta. Bring a large pot of water to a boil. Season generously with salt — the water should taste of the sea. Cook the pasta according to package directions until 1 minute before al dente. Reserve ½ cup of pasta cooking water before draining.
  • Combine and serve. Toss the drained pasta with a ladleful of sauce and a splash of pasta cooking water until the pasta is evenly coated. Divide into bowls. Ladle additional sauce generously over each portion. Finish with freshly grated Parmigiano-Reggiano, torn basil, and a drizzle of good olive oil.

Notes

  • Brown the beef — it is not optional. Raw ground beef in the slow cooker is the source of grey, flat, clumped pasta sauce. The browning step produces the Maillard compounds that color and deepen the entire sauce. Ten minutes in a skillet before it goes in is the most impactful single step in the recipe.
  • Cook the tomato paste. Tomato paste added raw to the slow cooker contributes a slightly metallic, unintegrated note. One to two minutes in the olive oil with the garlic caramelizes the paste, deepens its flavor, and eliminates its raw edge. This is a thirty-second step with a disproportionate flavor impact.
  • Fresh basil always goes in at the end. Six to eight hours of slow cooking destroys every volatile aromatic compound in fresh basil. By the end of the cook, a basil leaf added at the start is a dark, flavorless piece of plant material. Added immediately before serving, fresh basil is bright, herbal, and the aromatic signature of Italian red sauce.
  • Do not drain all the beef fat. The fat rendered from the ground beef is flavor. A small amount left in the skillet enriches the aromatics and contributes to the final sauce’s body. Very lean beef produces little to drain; fattier beef may have more — leave a tablespoon or two.
  • Reserve pasta cooking water. Starchy pasta water is the sauce’s emulsifier — it helps the sauce cling to the pasta rather than pool at the bottom of the bowl. A quarter cup of pasta water tossed with the pasta and sauce before plating makes a visibly better-coated dish. This is a professional technique that requires no additional ingredients and takes five seconds.
  • The sauce improves overnight. This sauce, like every tomato-based meat sauce, is better the next day. If time permits, make it the day before and refrigerate overnight. The flavors integrate and deepen in ways that are immediately detectable. Day 2 pasta sauce is specifically worth planning for.
  • Scale up freely. This recipe scales directly — double batch with two pounds of beef and two cans of tomatoes produces eight to twelve servings from the same slow cooker and the same cook time. The slow cooker’s capacity makes large-batch cooking efficient.
  • Author: Elle
  • Prep Time: 10 minutes
  • Cook Time: 6–8 hours (on LOW)
  • Category: Dinner, Main Dish, Meal Prep
  • Method: Slow Cooking

Find it online: https://slowcookerrecipes.us/slow-cooker-ground-beef-pasta-sauce/