Craving a dinner that smells like comfort and tastes like you actually planned ahead? This mushroom onion pork tenderloin slow-cooker magic answers that plea.
It’s low-effort, high-delight, and perfect for weeknights when ambition takes a coffee break. But here’s the catch!
You’ll look like a culinary genius with almost zero fuss.
Contents
Equipment: Must-haves
- Crock pot (slow cooker)
- Cutting board
- Sharp knife
- Mixing bowl
- Measuring spoon
- Tongs
Equipment: Nice-to-haves
- Skillet for searing
- Meat thermometer
- Slotted spoon
Ingredients
- 2 lb pork tenderloin
- 8 oz mushroom, sliced
- 1 large onion, thinly sliced
- 3 clove garlic, minced
- 1 cup chicken broth
- 2 tbsp soy sauce
- 1 tbsp Worcestershire sauce
- 2 tbsp butter
- 1 tbsp olive oil
- 1 tsp salt
- 1/2 tsp black pepper
- 1 tsp dried thyme
- 1 tbsp cornstarch
- 2 tbsp water
- 1 tbsp parsley, chopped (optional garnish)
- 1 cup cooked rice or mashed potato, to serve (optional)
Instructions
- Pat the pork tenderloin dry and trim any silver skin or stray bits on the cutting board using the sharp knife.
- Season the pork on all sides with salt, black pepper, and dried thyme in the mixing bowl; toss gently to coat.
- Heat the skillet over medium-high and add olive oil until it shimmers.
- Sear the pork on all sides in the skillet until browned to build flavor, using tongs to turn it carefully.
- Transfer the seared pork to the crock pot and set it in the center.
- Add butter to the hot skillet and sauté mushroom until it starts to brown, stirring with the slotted spoon.
- Add onion to the skillet and continue to cook until the onion softens and turns translucent.
- Stir in garlic briefly, just until fragrant—garlic burns fast, so keep an eye on it.
- Pour chicken broth into the skillet to deglaze, scraping up browned bits with the slotted spoon.
- Stir in soy sauce and Worcestershire sauce into the skillet liquid, then pour the whole mixture over the pork in the crock pot.
- Cover and cook on low for several hours or on high for a shorter time, following your crock pot settings.
- Use the meat thermometer toward the end of cooking to ensure the pork reaches a safe and juicy temperature; remove pork when done and let it rest on a cutting board.
- Mix cornstarch and water in the mixing bowl to make a slurry while the pork rests.
- Ladle crock pot juices into the skillet or a small saucepan and whisk in the cornstarch slurry over medium heat until the sauce thickens into a glossy gravy.
- Slice the pork tenderloin and spoon mushroom-onion gravy over the meat using the slotted spoon, then garnish with parsley before serving over rice or mashed potato.
What Else You Should Know
Tips: Always pat the pork dry before searing; that little step gives you better browning and more flavor. That’s why searing matters even when you plan to slow-cook.
Timing: Low setting yields more tender results; high works when you’re short on time. Use a meat thermometer to hit the perfect doneness without guessing.
Gravy trick: If the sauce is too thin, mash a piece of mushroom in the pot to thicken naturally, or add a bit more cornstarch slurry. Variations: Swap chicken broth for beef broth for deeper flavor.
Add a splash of white wine in the deglaze step if you’re feeling fancy. Serving suggestion: Serve sliced pork over rice, mashed potato, or buttered egg noodle with extra gravy on top.
Leftovers make a stellar sandwich the next day. Make-ahead and storage: Cool completely, then refrigerate in an airtight container for up to three days, or freeze for up to three months.
Reheat gently to keep the pork juicy. Diet notes: This recipe is naturally gluten-free if you use gluten-free soy sauce.
Swap butter for olive oil to make it dairy-free. Final note: You get big flavor with minimal fuss—so go enjoy your triumphant, slow-cooked dinner and take a victory lap to the couch.
