Beef tenderloin with mushroom sauce started as a French luxury, and now it’s a keto star! By swapping carbs for almond flour, this classic stays elegant while fitting perfectly into your keto lifestyle. Proof that timeless dishes evolve with us.
Deliciously Nutritious
Beef tenderloin is a lean, protein-packed cut, and mushrooms bring low-carb goodness with vitamins and antioxidants. This dish isn’t just tasty—it’s a smart, healthy choice that fuels your keto journey.
Mushroom Fun Fact
Did you know mushrooms are closer to humans than plants? My kids love joking about “eating our cousins,” and it always adds fun to dinner. With tender beef and creamy mushrooms, this dish is science-approved and family-approved! 🍄❤️
Table of Contents
Look at the Recipe (Key Highlights)
Let’s dive into why this keto Beef Tenderloin and Mushroom Sauce recipe deserves a top spot on your dinner table. Here’s what makes it a winner:
1. Luxuriously Tender Steaks
Juicy beef tenderloin cooked to perfection? Yes, please! These steaks are melt-in-your-mouth delicious and packed with protein to keep you fueled.
2. Rich and Creamy Mushroom Sauce
The sauce is the star here! Made with fresh mushrooms, green onions, and keto-friendly ingredients, it’s velvety, flavorful, and oh-so-satisfying.
3. Keto-Approved and Low-Carb
With just 3g net carbs per serving, this recipe is tailor-made for keto enthusiasts. It’s indulgent without derailing your macros.
4. Quick and Easy to Make
Ready in about 30 minutes, this recipe lets you enjoy a restaurant-quality meal without spending hours in the kitchen.
5. Perfect for Any Occasion
Whether it’s a cozy weeknight dinner or a special celebration, this dish brings gourmet vibes to your table.
6. Pairs Perfectly with Keto Sides
From mashed cauliflower to roasted veggies, this dish is versatile enough to match with any of your favorite low-carb sides.
7. Health Benefits Galore
Packed with protein and healthy fats, this recipe is satisfying, nutritious, and keeps you feeling full for hours.
Is your mouth watering yet? Get ready to impress your taste buds—and maybe even your dinner guests—with this standout keto recipe! 🥩🍄
Ingredients Needed
- Butter
- Avocado oil
- Beef tenderloin steaks
- Fresh mushrooms (e.g., cremini or button)
- Green onion
- Almond flour (or coconut flour for nut-free option)
- Salt and pepper
- Beef broth (or chicken broth)
- Worcestershire or keto-friendly browning sauce (optional)
How to Make Keto Beef Tenderloin & Mushroom Sauce
Sear the Steaks: Cook the beef tenderloin steaks in butter and oil until your desired doneness. Set aside and keep warm.
Prepare the Mushroom Sauce: Sauté mushrooms and green onions in the same pan, then thicken the sauce with almond flour and broth. Add seasonings and optional browning sauce.
Combine and Serve: Pour the mushroom sauce over the steaks and serve immediately with keto-friendly sides like mashed cauliflower or sautéed greens.
Storage & serving Suggestions
Storage Tips
Keep your leftovers tasting just as amazing as the first bite with these easy storage tips…
1. Refrigerate with Care
Store leftover beef tenderloin and mushroom sauce in an airtight container in the fridge for up to 3 days. Pro tip: keep the sauce separate if possible to prevent the steak from getting soggy!
2. Reheat Gently
Warm your steak and sauce on the stovetop over low heat or in the microwave in short bursts to keep the meat tender and juicy. Nobody likes a rubbery steak!
3. Freeze the Sauce (But Not the Steak)
The mushroom sauce freezes well for up to a month. Simply thaw it in the fridge overnight and reheat when ready. Freezing the steak? Not ideal—it’s best enjoyed fresh or within a couple of days.
Serving Tips
Because presentation matters, even at home…
1. Plate Like a Pro
Spoon the creamy mushroom sauce generously over the steak right before serving. A sprinkle of fresh parsley or a few green onion slices on top adds that chef-worthy finish.
2. Pair with Keto Sides
Serve with low-carb classics like buttery mashed cauliflower, roasted asparagus, or a crisp garden salad. Bonus: these sides balance the richness of the dish beautifully!
3. Keep It Cozy
Serve this dish warm and fresh for the best flavors. A pre-warmed plate can even help keep the steak at the perfect temperature (pro tip alert!).
4. Don’t Forget the Drinks
Pair your meal with a glass of sparkling water with a twist of lemon or even a dry red wine (if it fits your keto plan) to elevate the experience.
With these tips, your keto Beef Tenderloin and Mushroom Sauce recipe will be the star of the meal—whether it’s dinner for one or a feast for many! 🥩🍷
Tips & FAQs
What is the best cooking method for beef tenderloin?
The best method is roasting. Start by searing the tenderloin on all sides in a hot skillet for a flavorful crust, then transfer it to a preheated oven at 450°F (232°C) to finish cooking evenly.
Should beef tenderloin be cooked fast or slow?
A combination of both works best! Sear the tenderloin quickly at high heat to caramelize the exterior, then cook it at a moderate temperature to ensure the interior remains tender and juicy.
Should I salt beef tenderloin before cooking?
Absolutely! Salt the tenderloin at least an hour before cooking (or even overnight) to dry brine. This enhances the flavor and helps retain moisture during cooking.
How can I cook a beef roast without drying it out?
- Sear the roast first to lock in juices.
- Use a meat thermometer to monitor doneness (medium-rare: 135°F).
- Rest the meat for 10–15 minutes before slicing to redistribute juices.
Should I wash beef tenderloin before cooking?
No. Washing raw meat can spread bacteria. Instead, pat it dry with paper towels to remove moisture for better browning during searing.
How do I tenderize beef tenderloin?
Beef tenderloin is naturally tender, so additional tenderizing isn’t needed. However, letting it come to room temperature before cooking and resting it after cooking ensures optimal tenderness.
Can I marinate beef with salt?
Yes! Marinating with salt, also known as dry brining, is highly recommended. It enhances flavor and keeps the meat juicy.
Should I cover beef tenderloin when cooking?
No need to cover it during roasting. This allows the exterior to develop a delicious crust. However, cover it loosely with foil during the resting phase to keep it warm.
How do I tenderize beef for roasting?
For a roast, use a simple dry brine with salt, rest the meat before cooking, and cook at moderate heat. Avoid overcooking to maintain tenderness.
Should I cover beef when roasting?
Not while roasting, as it can prevent the development of a crisp crust. Cover it only if it’s resting or if you need to keep it warm before serving.
Why This Recipe Works for Keto
- Low-Carb Perfection
This recipe is carefully crafted to keep the carbs low without sacrificing flavor. By using keto-friendly thickeners like almond flour and avoiding sugary sauces, it delivers a rich, satisfying meal that stays within your macros. - High in Healthy Fats
With butter in the sauce and fatty beef tenderloin as the star, this dish provides the healthy fats needed to fuel your keto lifestyle while keeping you feeling satiated. - Protein-Packed
Beef tenderloin is a lean yet tender cut of meat that offers an excellent source of high-quality protein—essential for muscle maintenance and overall health on a keto diet. - Deliciously Versatile
This recipe pairs beautifully with classic keto sides like mashed cauliflower or roasted asparagus, making it a flexible option for family dinners or special occasions. - Quick and Easy
Despite its gourmet appeal, this dish is ready in about 30 minutes. It’s perfect for busy weeknights or when you want an elegant meal without spending hours in the kitchen. - Comfort Food Appeal
The creamy mushroom sauce elevates this dish with deep, comforting flavors, making it a keto-friendly alternative to heavy carb-based meals.
With these features, this Keto Beef Tenderloin & Mushroom Sauce recipe is a standout choice for anyone looking to enjoy a gourmet, low-carb, and healthful meal.
I’d love to hear how you make it your own! Leave a comment below and let me know how it turned out, or share a photo of your dish on social media and tag me. Don’t forget to share this recipe with friends and family who are looking for the keto Beef Tenderloin and Mushroom Sauce—they’ll thank you for it! 🥚✨
Ultimate keto Beef Tenderloin and Mushroom Sauce
Description
Rich, savory keto Beef Tenderloin and Mushroom Sauce recipe perfect for a low-carb dinner. Quick, easy, and packed with flavor, ideal for any occasion!
Ingredients
For the Steaks:
For the Mushroom Sauce:
Instructions
1. Cook the Steaks
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In a large skillet, heat 2 tablespoons butter and the avocado oil over medium-high heat.
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Season both sides of the beef tenderloin steaks with salt and pepper.
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Cook the steaks to your desired doneness (medium-rare: 135°F; medium: 140°F), about 5-6 minutes per side.
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Remove the steaks from the skillet and tent them with foil to keep warm. Save the pan drippings for the sauce.
2. Make the Mushroom Sauce
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In the same skillet, add the remaining 2 tablespoons butter and drippings. Heat over medium-high heat.
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Add the mushrooms and green onion, sautéing until tender and golden, about 3-4 minutes.
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Sprinkle the almond flour over the sautéed mixture, stirring constantly until combined.
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Gradually whisk in the beef broth and add the Worcestershire sauce (if using).
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Bring the mixture to a boil, stirring constantly, until it thickens into a silky sauce, about 1-2 minutes.
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Season with salt and pepper to taste.
3. Serve
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Plate the steaks and generously spoon the mushroom sauce over the top.
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Serve alongside steamed asparagus, mashed cauliflower, or a crisp side salad for a complete keto meal.
Nutrition Facts
Servings 2
- Amount Per Serving
- Calories 360kcal
- % Daily Value *
- Total Fat 28g44%
- Total Carbohydrate 3g1%
- Dietary Fiber 1g4%
- Protein 25g50%
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.
Note
When I first whipped up this keto Beef Tenderloin and Mushroom Sauce recipe, I wasn’t sure how my family would react—especially the kids, who think anything “fancy” means suspicious! But to my surprise, it was a total hit. My husband practically licked his plate clean, calling it “restaurant-worthy,” while the kids couldn’t get enough of the creamy mushroom sauce (I caught one of them dipping their broccoli into it!). For a busy mom, nothing beats seeing everyone at the table happy and satisfied. This dish is now a family favorite—and I bet it’ll be a hit at your table, too! 🥰
