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Dinner · Part 2 of 3: Instructions

Slow Simmer Italian Meat Sauce for Comforting Meals Step-by-step instructions

A steaming bowl of thick Italian meat sauce served in a bright home kitchen.
Prep
Cook
Total
Serves
6

Before you start

Before starting, ensure your slow cooker insert is clean and dry. Gather your ingredients and have the ground beef and tomato sauce ready for assembly. Because this recipe relies on a simple, long-simmering process, there is very little active preparation required.

Simply ensure you have enough space in your kitchen to accommodate the slow cooker and that you have a reliable ladle for serving the finished sauce once it is ready to be plated.

Ingredients at a glance (2)
  • 2 lb ground beef
  • 28 oz tomato sauce

Instructions

Assembly Phase

  1. Combine Ingredients
    Place the ground beef into the slow cooker. Pour the tomato sauce over the meat. Use a large spoon to stir the ingredients together until the meat is evenly distributed within the sauce.
    Look for The mixture should be well combined and uniform in color.
    Tip Use a sturdy spoon to ensure the meat is broken up as you stir.

At this stage, the raw ingredients are placed in the slow cooker. Everything should be combined thoroughly so that the meat is evenly distributed within the tomato sauce, creating a solid foundation for the sauce to develop as the cooker heats up.

Simmering Phase

  1. Slow Simmer
    Cover the slow cooker and set to low heat for 6 hours. Allow the sauce to simmer gently. The long cooking time ensures the meat becomes tender and the sauce thickens to a rich consistency.
    Look for The sauce will bubble gently and thicken significantly as it cooks.
    Tip Keep the lid on throughout the cooking process to maintain a consistent temperature.

The sauce is undergoing its slow simmer. The texture will gradually transform from a loose mixture into a thick, glossy sauce. The kitchen will begin to fill with a rich, savory aroma as the beef and tomatoes meld together over the long cooking period.

Final Check Phase

  1. Final Check
    Ensure the meat reaches an internal temperature of at least 160°F (71°C) to be fully cooked through. Use a ladle to stir the sauce one last time before serving.
    Look for The sauce should be thick, glossy, and steaming hot.
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip Check the temperature in the thickest part of the meat mixture.

The sauce has finished its slow simmer. The texture should be thick and glossy, with the meat tender and the flavors fully melded together. The sauce will smell deeply savory and rich, ready to be served over your preferred pasta.

Common mistakes

A common mistake is failing to break up the ground beef thoroughly at the start, which can lead to large, uneven clumps that do not cook through or absorb the sauce flavors properly.

Another frequent error is using a high-heat setting for too long; slow cookers vary, but low heat is essential for the gentle simmering required to thicken the sauce without drying it out.

Finally, ensure all ingredients are well combined at the start, as the sauce will not be stirred again until the end.

How to tell it’s done

The meat sauce is considered done when it has achieved a deep, dark red color and a thick, uniform consistency that coats the back of a spoon. The beef should be tender and fully cooked, reaching an internal temperature of 160°F (71°C).

The aroma should be rich and savory, with the scent of the tomatoes clearly defined. If the sauce still appears watery, you can remove the lid for the last thirty minutes of cooking to allow excess moisture to evaporate.

  • Ground meat: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this meat sauce be made in a pressure cooker?
  • Why does the sauce sometimes look oily?
  • Can this be made ahead?

Also in Part 3: variations (Hearty Beef Sauce, Reduced Sauce), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)