These pork tenderloin medallions with a mushroom pan sauce make a savory, umami-packed meal that’s perfect over rice, pasta, or mashed potatoes. Tender pork medallions and a silky mushroom sauce are cooked in one skillet for an easy, satisfying dinner.
When the weather turns cold we crave comforting, rich dishes—stews, braises, and skillet meals that warm the kitchen and the table. This pork tenderloin with mushroom sauce delivers those deep, savory flavors without a lot of fuss. The trick is building flavor in one pan: sear the medallions, caramelize the mushrooms and onions, then finish everything in a roux-thickened pan sauce.
Ingredients & Substitutions
Below are the main ingredients and easy swaps if you’re working from what you have on hand. Each element layers flavor into the final sauce, but the recipe is flexible.
- Pork tenderloin – The recipe uses about 1 1/2 lbs sliced into medallions roughly 1–1½” thick. You can substitute boneless pork chops cut to a similar thickness if needed.
- Sweet onion – Offers a touch of sweetness to balance the sauce. Yellow or white onion also work well.
- Mushrooms – Use any meaty mushrooms you like: shiitake, baby bellas, portobello, or king oyster. The flavor of the sauce improves with caramelized mushrooms.
- Garlic – Fresh garlic is best; use about one-third the amount if substituting granulated garlic.
- Broth – Mushroom or beef broth is recommended for depth, but chicken or vegetable broth will work in a pinch.
- Worcestershire sauce – Adds umami and complexity; it’s a key component of the sauce.
- Red wine vinegar – Brightens the sauce. Young balsamic or apple cider vinegar are acceptable alternatives.
- Flour + butter – A simple roux thickens the sauce. If you prefer, use a cornstarch slurry (about 2 tsp cornstarch mixed with 1 tsp cold water) added at the end.
- Oil – For searing: olive, canola, or grapeseed oil (or even bacon fat) work fine.
- Salt, pepper, garlic powder – Basic seasonings for the pork medallions before searing.
Tips for Tender Pork Medallions and Creamy Mushroom Pan Sauce
These tips come from testing and make the difference between good and great results.
- Prep ahead – Chop vegetables and measure ingredients before you start cooking to avoid scrambling at the stove.
- Taste and season at every step – Season the pork, taste the mushrooms and onions as they cook, and adjust salt and pepper before serving.
- Don’t overcook the pork – Sear medallions quickly over high heat, then finish in the sauce until the internal temperature reaches 145°F for juicy results.
- Adjust heat as needed – Use high heat to sear and medium to medium-low to caramelize without burning. Watch the pan and use sight and smell to guide you.
- Be patient with caramelization – Let mushrooms and onions brown slowly for the best flavor; a few extra minutes makes a big difference.
FAQ’s
Here are answers to common questions. If yours isn’t listed, leave a comment and I’ll respond.
Pork is safe at 145°F and will be tender and juicy at that temperature. Cooking to higher temperatures risks drying the meat.
Dried mushrooms can be reconstituted in hot water and used; save the soaking liquid as part of your broth for extra flavor. The texture and final flavor will differ from fresh mushrooms.
Yes. Because the sauce isn’t dairy-thickened, leftovers freeze well. Refrigerate for a few days or freeze for longer storage; thaw in the fridge before reheating.
Serving Suggestions
This dish pairs beautifully with rice, pasta, or mashed potatoes to soak up the silky sauce. Bread like garlic rolls or cornbread will also help you mop up every last bit. For a vegetable side, roasted garlic broccoli or sautéed Brussels sprouts complement the richness of the pork and mushrooms.
The dish reheats well for lunches or weeknight dinners. I hope you enjoy these juicy medallions and the flavorful mushroom sauce—happy cooking!
- Course: dinner
- Cuisine: American
- Servings: 4
Pork Tenderloin with Mushroom Sauce
Mikayla M.
15
35
4 people
400 kcal
Ingredients
- 1 1/2 lbs pork tenderloin, sliced*
- 1/2 teaspoon black pepper
- 1/2 teaspoon garlic powder
- 1/2 teaspoon kosher salt plus extra to taste
- 1 tablespoon oil
- 4 tablespoons butter, unsalted divided
- 1 1/2 cup sweet onion, diced 1 large
- 2 cups mushrooms, diced 8 ounces
- 1 tablespoon red wine vinegar
- 1 tablespoon minced garlic 3 large cloves
- 2 tablespoons flour
- 1 1/2 cups mushroom broth or beef
- 4 teaspoons Worcestershire
- 1/4 cup parsley, chopped optional
Instructions
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Slice the pork tenderloin into 8 medallions about 1–1½” thick.
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Season medallions with kosher salt, black pepper, and garlic powder.
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Heat a large rimmed skillet over medium-high. Add 1 tablespoon butter and the oil when hot.
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Sear pork 2–3 minutes per side until browned; remove to a plate and set aside.
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Reduce heat to medium and add onions, mushrooms, red wine vinegar, 1 tablespoon butter, and a pinch of salt. Cook until caramelized, about 8–10 minutes.
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Lower heat to medium-low. Add the remaining butter and the garlic. When the butter melts, sprinkle in the flour and stir constantly for 2 minutes to form a roux.
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Slowly whisk in the broth until smooth. Stir in Worcestershire sauce, then return the pork to the pan.
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Bring to medium heat and cook, stirring occasionally, until the sauce thickens and the pork reaches 145°F.
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Taste and adjust seasoning with salt and pepper. Serve immediately over your chosen starch and garnish with chopped parsley if desired.
Notes
Nutrition
Calories: 400kcal