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Dinner · Part 2 of 3: Instructions

Slow Cooker Creamy Mushroom Pork Roast Step-by-step instructions

A close-up of a tender sliced pork loin smothered in a rich, glossy creamy mushroom gravy on a white plate.
Prep
Cook
Total
Serves
6
Includes 5 min resting

Before you start

Before beginning, ensure that you have all your ingredients measured and ready. Clean your work surface thoroughly and have your slow cooker plugged in and positioned in a safe, dry spot.

While the recipe is simple, having your pork loin at room temperature for about 20 minutes before placing it into the cooker can help ensure more even cooking. Ensure your knife is sharp for slicing the mushrooms cleanly, and have your serving plate ready so that you can move the cooked meat immediately after it rests.

Ingredients at a glance (4)
  • 2 lb pork loin
  • 8 oz sliced mushrooms
  • 1 packet dry onion soup mix
  • 1 can (10.5 oz) cream of mushroom soup

Instructions

Initial Assembly

  1. Assemble the roast
    Place the pork loin into the base of the slow cooker. Scatter the sliced mushrooms evenly over the meat, then sprinkle the dry onion soup mix over the top of the mushrooms and pork. Pour the cream of mushroom soup over the entire mixture, spreading it slightly to ensure the meat is mostly covered.
    Look for The slow cooker should look full but not overflowing with the ingredients layered neatly.
    Tip Do not stir the ingredients; layering them allows the flavors to meld while the meat cooks.

At the end of this phase, the ingredients are layered and ready for the slow, steady heat. The pork is at the bottom, topped with mushrooms, savory onion mix, and a generous layer of cream of mushroom soup. Everything should look clean and organized, with the soup providing a thick, creamy coating that will eventually transform into the gravy. Ensure the lid is securely placed on the slow cooker before starting the timer to lock in all the moisture and flavors.

Slow Cooking Process

  1. Slow cook the pork
    Cover the slow cooker with its lid and cook on the low setting for 7 to 8 hours, or on the high setting for 3 to 4 hours. Ensure the pork reaches an internal temperature of 145°F (63°C) when measured with a meat thermometer and let the meat rest at least 3 minutes.
    Look for The pork should be tender enough to slice easily, and the sauce will have thickened into a rich, creamy consistency.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip Use a digital thermometer to check the thickest part of the roast to ensure it is fully cooked.

During this phase, the slow cooker works to tenderize the pork and develop the sauce. You will notice a savory, comforting aroma filling the kitchen as the mushrooms and onion mix soften and blend with the cream soup. The pork will gradually change color and texture as it absorbs the flavors. Check the doneness by testing the internal temperature, ensuring it reaches the safe 145°F (63°C) mark. The gravy should be glossy, thick, and smelling rich and appetizing.

Resting and Serving

  1. Rest and serve
    Remove the pork from the slow cooker and transfer it to a cutting board. Let the meat rest for at least 5 minutes before slicing. Serve warm with the creamy mushroom gravy spooned generously over each portion.
    Look for Resting the meat allows the juices to redistribute, ensuring the roast remains succulent and flavorful.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip Slicing too soon after cooking will cause the juices to run out, resulting in drier meat.

After the cooking is complete, the pork is transferred to a cutting board to rest. The meat should look tender and moist, with the creamy mushroom gravy clinging to the slices. This phase is about patience; the short rest period is essential for the meat to settle.

Once sliced, the pork is ready to be plated and served with the remaining gravy from the slow cooker. The final dish should be visually appealing, with a creamy, mushroom-speckled sauce and perfectly cooked, succulent meat.

Common mistakes

A common mistake is lifting the lid of the slow cooker frequently during the cooking process. Every time the lid is removed, heat escapes and the cooking time is extended significantly. Keep the lid closed for the duration of the cooking cycle to maintain a consistent temperature.

Another mistake is forgetting to let the meat rest. Slicing the pork immediately after removing it from the heat will cause the juices to drain away, leading to a less succulent roast. Finally, ensure the pork is not overcrowded in a cooker that is too small, as this can affect the cooking time.

How to tell it’s done

The pork is perfectly done when it is opaque throughout and reaches an internal temperature of 145°F (63°C). At this temperature, the meat will be tender, juicy, and safe to consume. Use a reliable digital meat thermometer inserted into the thickest part of the loin to verify the temperature.

If the meat feels resistant or firm, it may need a few additional minutes of cooking. Always allow the meat to rest for at least 5 minutes, as this is crucial for retaining the natural juices.

  • Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest

Coming up in Part 3: common questions

  • Can this recipe be made with a different cut of meat?
  • How can the gravy be thickened if it is too thin?
  • Is it possible to cook this on the high setting for less time?

Also in Part 3: variations (Herbed Mushroom Pork, Garlic Mushroom Pork), 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)