Set-It-and-Forget-It Mushroom Pork Tenderloin Crock Pot Comfort Recipe

Craving cozy comfort without babysitting the stove? Pork tenderloin in a crock pot with mushroom gravy is the answer.

This recipe turns a simple protein and a humble mushroom into a weeknight hero. Slow cooking does the heavy lifting while you pretend you planned dinner all along.

Equipment: Must-haves

• Crock pot (slow cooker)
• Cutting board
• Sharp knife
• Measuring spoon
• Tongs
• Wooden spoon

Equipment: Nice-to-haves

• Skillet (for browning)
• Meat thermometer
• Kitchen twine
• Slow cooker liner

Ingredients

• 1 pork tenderloin (about 1 to 1.25 lb), trimmed
• 8 oz mushroom, sliced
• 1 onion, thinly sliced
• 1 clove garlic, minced
• 2 tbsp butter
• 1 tbsp olive oil
• 1 cup beef broth (or chicken broth)
• 1 tbsp Worcestershire sauce
• 1 tbsp soy sauce
• 1 tsp dried thyme (or fresh thyme leaves)
• 1 bay leaf
• 1 tbsp cornstarch
• 2 tbsp water (for slurry)
• 1 tsp salt
• 1/2 tsp black pepper
• 1 tbsp fresh parsley, chopped (for garnish)

Instructions

1. Pat the pork tenderloin dry with paper towel to encourage a good sear.
2. Use the sharp knife to trim any silver skin and even out the shape if needed.
3. Tie the tenderloin with kitchen twine so it cooks evenly and looks like you knew what you were doing.
4. Season the tenderloin with salt, pepper, and thyme on all sides.
5. Heat the skillet with olive oil and butter until the butter foams and the pan is hot.
6. Sear the tenderloin in the skillet with tongs until browned on all sides to lock in flavor.
7. Transfer the seared tenderloin to the crock pot lined with a slow cooker liner for easy cleanup.
8. In the same skillet, add more butter if needed and sauté the onion until soft and translucent.
9. Add the mushroom to the skillet and cook until golden and their liquid reduces a bit.
10. Stir in the garlic, then deglaze the skillet with Worcestershire sauce and soy sauce, scraping up the brown bits with a wooden spoon.
11. Pour the onion and mushroom mixture over the tenderloin in the crock pot and add the beef broth and bay leaf.
12. Cover and cook on low in the crock pot until the pork reaches the safe internal temperature you prefer; check with a meat thermometer.
13. When the pork is done, use tongs to remove it to the cutting board and tent loosely to rest.
14. Remove and discard the bay leaf from the crock pot, then make a cornstarch slurry by whisking cornstarch into water in a small bowl.
15. Stir the slurry into the crock pot sauce using the wooden spoon and switch the crock pot to high with the lid off to thicken the sauce.
16. Once the sauce has thickened, slice the tenderloin with the sharp knife into medallions on the cutting board.
17. Plate the pork medallions and spoon the mushroom gravy over the top, finishing with a sprinkle of parsley.
18. Use the tongs to serve and the wooden spoon to rescue every last drop of sauce, because waste is a crime against dinner.

What Else You Should Know

Tip: Browning is optional but highly recommended—searing adds deep flavor that makes the sauce sing. Storage: Cool completely, then refrigerate in an airtight container for up to three days.

Reheat gently over low heat to avoid drying the pork. Variation: Swap beef broth for chicken broth or use a splash of red wine in the skillet for a richer sauce.

Serving suggestion: Serve over mashed potato, creamy polenta, or buttered noodle for maximum comfort. But here’s the catch!

If you skip the skillet, cook time stays the same, but the final gravy will be less caramelized. Pro tip: Use a meat thermometer and pull the pork at the right moment so it stays juicy—aim for the recommended safe temperature and let it rest.

Make-ahead: You can assemble everything in the crock pot liner the night before; just chill and cook the next day. Final note: This is one-pot comfort with a fancy finish.

It looks like effort. It tastes like love.

And it leaves you with one less pan to clean—a small miracle.