Crock Pot Pork Tenderloin with Mushroom Savory Sauce Recipe: Set It, Forget It, Devour It

Stuck with a busy week and craving something cozy without babysitting the oven? Crock Pot magic is your friend, and this pork tenderloin with mushroom savory sauce is proof.

It melts into tender perfection while you do… literally anything else.

That’s why slow cooking exists — less stress, more dinner applause.

Equipment: Must-haves

• Crock Pot (slow cooker)
• Sharp knife
• Cutting board
• Measuring spoons and cup
• Tongs
• Mixing bowl

Equipment: Nice-to-haves

• Skillet or frying pan (for searing and saute9)
• Wooden spoon
• Instant-read thermometer
• Ladle

Ingredients

• 1 pork tenderloin (about 1 to 1.5 lb)
• 8 oz mushroom, sliced (cremini or button work great)
• 1 medium onion, thinly sliced
• 3 garlic clove, minced
• 1 cup chicken broth
• 1/2 cup heavy cream
• 2 tbsp Dijon mustard
• 2 tbsp soy sauce
• 1 tbsp Worcestershire sauce
• 1 tbsp olive oil
• 2 tbsp butter
• 1 tsp dried thyme
• 1 tsp salt
• 1/2 tsp black pepper
• 2 tbsp cornstarch
• 2 tbsp water (for slurry)
• 1 tbsp fresh parsley, chopped (for garnish)

Instructions

1. Pat the pork tenderloin dry and season it all over with salt, pepper, and dried thyme.
2. Heat the skillet over medium-high heat with olive oil and sear the pork on all sides until browned (optional but adds flavor).
3. Transfer the seared pork into the Crock Pot and arrange it in the center.
4. In the same skillet, reduce heat and add butter, then saute9 the sliced mushroom and sliced onion until they are softened and lightly browned.
5. Add the minced garlic to the skillet and cook just until fragrant, stirring fast so it does not burn.
6. Pour chicken broth into the skillet and scrape up any browned bits from the bottom to make a quick pan sauce.
7. Stir in Dijon mustard, soy sauce, and Worcestershire sauce to the pan sauce and let it heat through.
8. Pour the pan sauce and the mushroom-onion mixture over the pork in the Crock Pot.
9. Cover and set the Crock Pot to low and slow cook until the pork reaches a safe internal temperature and is tender.
10. If using a thermometer, check for the pork’s safe temperature and done2t overcook — pull it a few degrees shy and let carryover finish it.
11. Remove the pork to a cutting board and tent with foil to rest while you finish the sauce.
12. Whisk cornstarch with water in the mixing bowl to make a slurry.
13. Skim excess fat from the Crock Pot juices, then transfer juices to the skillet and bring to a simmer.
14. Whisk in the cornstarch slurry until the sauce thickens to a silky, savory consistency.
15. Stir in the heavy cream and heat gently until warmed through and glossy.
16. Slice the pork tenderloin against the grain and arrange on a platter.
17. Spoon the mushroom savory sauce over the sliced pork and sprinkle with fresh parsley as garnish.

What Else You Should Know

Tip: Sear the pork if you can — ite2s not mandatory, but it adds a deep, caramelized note. But heree2s the catch!

If youe2re short on time, skip the skillet and go straight to the Crock Pot; it will still be tender and delicious. Variation: Swap heavy cream for Greek yogurt stirred in off heat for a tangy twist, or use half-and-half for a lighter sauce.

Use balsamic vinegar splash if you like a little sweet acidity. Serving suggestion: Plate slices over mashed potato, polenta, or buttered egg noodle so the savory sauce can shine.

Add a green vegetable on the side for color and crunch. Storage: Refrigerate leftovers in an airtight container for up to four days.

Reheat gently on low heat or in a skillet to keep the sauce creamy. Pro tip: If your sauce is too thin, mash a few mushroom pieces in the pot to thicken naturally, or simmer longer uncovered to reduce.

If too thick, loosen with a splash of broth. Nutrition note: Pork tenderloin is lean and protein-packed, and pairing it with mushroom sauce adds umami without excess grease — modern comfort that keeps things balanced.

Enjoy the hands-off cooking glory and the sound of compliments.