Slow Cooker Creamy Mushroom Pork Tenderloin

Description

Slow Cooker Creamy Mushroom Pork Tenderloin is a tender, juicy, and comforting dinner made with pork tenderloin, earthy mushrooms, garlic, onions, and a rich creamy sauce. The pork slowly cooks in a flavorful mushroom gravy that keeps every bite moist and delicious. The combination of savory herbs, Dijon mustard, Worcestershire sauce, and creamy mushroom sauce creates a restaurant-style flavor with very little effort. This easy slow cooker meal is perfect for busy weeknights, Sunday dinners, or cozy family meals. Serve it over mashed potatoes, rice, egg noodles, or roasted vegetables so you can enjoy every bit of the creamy mushroom sauce.

Ingredients For the Pork Tenderloin

2 pork tenderloins, about 1 to 1½ pounds each
1 tablespoon olive oil
1 teaspoon salt
½ teaspoon black pepper
1 teaspoon garlic powder
½ teaspoon onion powder
½ teaspoon paprika

For the Creamy Mushroom Sauce

8 ounces mushrooms, sliced
1 small yellow onion, thinly sliced
3 cloves garlic, minced
1 can (10.5 ounces) condensed cream of mushroom soup
½ cup low-sodium chicken broth
½ cup heavy cream
2 tablespoons unsalted butter
1 tablespoon Dijon mustard
1 tablespoon Worcestershire sauce
1 teaspoon dried thyme
½ teaspoon dried parsley
¼ teaspoon black pepper

For Finishing

2 tablespoons fresh parsley, chopped
2 tablespoons grated Parmesan cheese, optional
Freshly cracked black pepper, to taste

Step-by-Step Instructions

1. Pat the pork tenderloins dry with paper towels. Removing excess moisture helps the seasonings stick better and gives the pork a better surface for browning.
2. Rub the pork tenderloins with olive oil. Season all sides evenly with salt, black pepper, garlic powder, onion powder, and paprika.
3. For extra flavor, heat a large skillet over medium-high heat. Sear the pork tenderloins for about 1–2 minutes on each side until lightly browned. This step is optional, but it adds a delicious roasted flavor.
4. Lightly grease a 6-quart slow cooker. Arrange the sliced mushrooms and onions across the bottom of the slow cooker.
5. Sprinkle the minced garlic over the mushrooms and onions.
6. Place the seasoned pork tenderloins on top of the vegetables. Add the butter in small pieces around and over the pork.
7. In a medium bowl, whisk together the cream of mushroom soup, chicken broth, heavy cream, Dijon mustard, Worcestershire sauce, dried thyme, dried parsley, and black pepper until smooth.
8. Pour the creamy mushroom mixture over and around the pork tenderloins. Use a spoon to spread the mushrooms and sauce evenly.
9. Cover the slow cooker with the lid and cook on LOW for approximately 3½–5 hours. Cooking time can vary depending on the thickness of the pork and your slow cooker.
10. Begin checking the pork before the maximum cooking time. Insert an instant-read thermometer into the thickest part of the tenderloin. Pork should reach 145°F (63°C), followed by a short resting period.
11. Carefully remove the cooked pork from the slow cooker and place it on a cutting board. Let it rest for about 5–10 minutes before slicing.
12. While the pork rests, stir the mushroom sauce thoroughly. If you prefer a thicker gravy, transfer the sauce to a saucepan and simmer gently for a few minutes.
13. For an even thicker sauce, combine 1 tablespoon cornstarch with 2 tablespoons cold water. Stir the mixture into the hot sauce and cook until thickened.
14. Slice the rested pork tenderloin into thick medallions.
15. Arrange the pork on a serving platter and generously spoon the creamy mushroom gravy over the slices.
16. Sprinkle with fresh parsley and optional Parmesan cheese. Add freshly cracked black pepper for extra flavor.
17. Serve immediately with mashed potatoes, rice, egg noodles, roasted potatoes, or steamed vegetables.

Tips & Notes

Choose pork tenderloin rather than pork loin roast because they are different cuts and have different cooking times. Pork tenderloin is smaller and leaner, so it should not be cooked for excessively long periods.

Searing the pork before adding it to the slow cooker is optional, but it creates a flavorful browned exterior and gives the finished dish a deeper savory taste.

Use fresh mushrooms whenever possible. Cremini, baby bella, or white button mushrooms all work well in this recipe.

Avoid adding too much salt at the beginning because cream of mushroom soup and Worcestershire sauce can already contain sodium. Taste the finished gravy before adding more seasoning.

If the gravy becomes too thick, add a few tablespoons of warm chicken broth and stir until it reaches the consistency you prefer.

For a lighter version, replace some or all of the heavy cream with half-and-half. The sauce will still be creamy but slightly less rich.

For extra garlic flavor, add another minced garlic clove. You can also add a small amount of fresh rosemary or thyme for a more herb-forward flavor.

If you want additional vegetables, add sliced carrots, peas, spinach, or green beans toward the end of cooking so they retain some texture.

Leftover pork should be stored in an airtight container in the refrigerator for up to 3–4 days. Reheat gently with a splash of chicken broth or cream to keep the pork moist and loosen the sauce.

Q&A

Can I use pork chops instead of pork tenderloin?
Yes. Pork chops can be substituted, but the cooking time will depend on their thickness. Check the internal temperature carefully because lean pork can become dry when overcooked.

Can I skip the searing step?
Absolutely. You can place the seasoned pork directly into the slow cooker. Searing is optional and mainly adds extra flavor and color.

Can I use fresh cream instead of cream of mushroom soup?
Yes. A homemade mushroom cream sauce can be used, although the consistency and flavor will be slightly different.

What mushrooms work best?
Cremini, baby bella, and white button mushrooms are all excellent choices. You can also combine different mushroom varieties for deeper flavor.

How do I keep pork tenderloin from drying out?
The most important step is avoiding overcooking. Because pork tenderloin is lean, begin checking the internal temperature before the maximum cooking time.

What can I serve with creamy mushroom pork?
Mashed potatoes are one of the best choices because they soak up the rich gravy. Rice, egg noodles, roasted potatoes, green beans, broccoli, carrots, and a fresh green salad are also delicious.

Can I freeze the leftovers?
Yes. The pork can be frozen in an airtight freezer-safe container. Creamy sauces can sometimes separate slightly after freezing, so thaw the leftovers in the refrigerator and reheat gently while stirring the sauce.

Servings

This recipe makes approximately 6 servings, with sliced pork tenderloin and creamy mushroom gravy per serving.

Nutrition

Approximate nutrition per serving: 420 calories, 44g protein, 12g carbohydrates, 22g fat, 2g fiber, 4g sugar, and 680mg sodium. Nutrition values are estimates and can vary depending on the size of the pork tenderloin, specific soup and cream brands, amount of sauce served, and other ingredients used.