Craving a cozy, hands-off dinner that still looks like you spent time pretending to be a gourmet?
This crock pot pork tenderloin with garlic gravy and mushroom magic has your back. It’s perfect for busy nights, lazy weekends, or impressing someone who assumes slow cookers only make mystery stews.
But here’s the catch! You get restaurant-level flavor with almost zero babysitting.
Yes, it’s basically culinary sorcery.
Contents
Equipment: Must-haves
- Crock pot (slow cooker)
- Skillet (preferably cast iron or heavy-bottom)
- Cutting board
- Chef’s knife
- Measuring spoon
- Measuring cup
- Tongs
- Wooden spoon or spatula

Equipment: Nice-to-haves
- Meat thermometer (great for confidence and bragging rights)
- Immersion blender (for super-smooth gravy)
- Trivet (keeps pork out of the juices if you like)
- Small whisk (for gravy slurry)

Ingredients
- 1 pork tenderloin (about 1 pound), trimmed
- 8 oz mushroom, sliced
- 1 small onion, diced
- 2 garlic clove, minced
- 2 tbsp olive oil
- 1 cup chicken broth
- 2 tbsp soy sauce
- 1 tbsp Worcestershire sauce
- 1 tsp Dijon mustard
- 1 bay leaf
- 1/2 tsp dried thyme
- Salt, to taste
- Black pepper, to taste
- 1 tbsp unsalted butter
- 1 tbsp cornstarch
- 2 tbsp cold water
- 1 tbsp fresh parsley, chopped
- 1/4 cup heavy cream (optional, for extra silky garlic gravy)

Instructions
- Pat the pork tenderloin dry and season it all over with salt, black pepper, and dried thyme.
- Heat the skillet over medium-high and add the olive oil until it shimmers.
- Sear the pork on all sides until golden brown so you lock in flavor and look like you mean business.
- Transfer the seared pork to the crock pot and tuck the bay leaf beside it.
- In the same skillet, add the butter and sauté the onion until translucent, then add the garlic and mushroom and cook until the mushroom releases its juices.
- Pour in the chicken broth and deglaze the skillet, scraping up the browned bits, then stir in the soy sauce, Worcestershire sauce, and Dijon mustard to combine.
- Pour the skillet mixture over the pork in the crock pot so the mushroom and onion bathe in savory goodness.
- Cover and cook on low until the pork is just cooked through and tender (use the meat thermometer if you have it to check doneness).
- Remove the pork to a cutting board and tent it to rest while you make the garlic gravy.
- Skim any excess fat from the cooking liquid in the crock pot, then pour the liquid into the skillet and bring it to a gentle simmer.
- Whisk the cornstarch into the cold water to make a slurry, then slowly whisk the slurry into the simmering pan liquid until the gravy thickens.
- Stir in the heavy cream if using, and adjust seasoning with salt and black pepper to taste.
- Optionally, blitz the gravy with an immersion blender for a silkier texture, or leave it rustic with mushroom bits for personality.
- Slice the pork tenderloin, spoon the garlic gravy and mushroom over the top, and finish with a sprinkle of fresh parsley.
- Serve warm and bask in the collective ‘wow’ as forks attack the plate.
What Else You Should Know
Cook time and temp: Low in the crock pot gives the most tender results, but high works when you’re hungry now. Internal temperature: Aim for a safe but juicy temperature—use a meat thermometer to avoid guesswork.
Searing is key: Don’t skip the sear—those brown bits are the flavor gold you deglaze into the gravy. Thickening tips: The cornstarch slurry thickens quickly, so add it slowly and simmer to see the final texture.
Gluten-free swap: If you need gluten-free, use tamari instead of soy sauce and double-check your Worcestershire. Make-ahead and storage: The pork and gravy keep well in the fridge for a few days and reheat gently on low; gravy may thicken in the fridge—thin with a splash of broth when reheating.
Variation ideas: Swap in thyme for rosemary for a piney twist, or add a splash of white wine to the deglaze for extra depth. Serving suggestions: This dish loves creamy mashed potato or buttered noodle, and a crisp green side to cut the richness.
Leftover magic: Slice leftover pork thin for sandwiches with extra garlic gravy as a dipping sauce—sandwich envy is guaranteed. If you’re feeling proud (you should be), take a picture and pretend you planned it all week.
I won’t tell.