Pan Seared Top Sirloin Steak

Treat your family to perfectly cooked top sirloin steak finished with a savory miso compound butter. Using simple, high-heat cooking, this quick and affordable recipe delivers juicy, tender, restaurant-quality results—perfect for an easy weeknight dinner.

This post is sponsored by Omaha Steaks. All opinions are my own.

Why It Works

In culinary school, we learned that thick-cut top sirloin filets develop a deep brown crust while staying juicy inside, similar to a filet mignon, and all you really need for seasoning is salt, pepper, garlic powder, and onion powder to enhance the beef’s natural flavor.

With my science-backed cooking method, I pan-sear the meat in a hot skillet to maximize Maillard browning, then finish with a quick butter baste infused with fragrant garlic and green onions. In just about 12 minutes, you’ll have a tender, rich, and flavorful steak, finished with miso butter for a savory, umami-packed final touch.

Ingredients You’ll Need

• Steak: I use Omaha Steaks Butcher’s Cut Top Sirloin Filets, portioned at 6 ounces and precisely cut to 1 inch thick. Their steaks are naturally aged at least 35 days, allowing enzymes like calpains to break down muscle fibers for increased tenderness while moisture loss concentrates their beefy flavor.
• Seasoning: Flaky kosher salt enhances the beef’s natural flavor, while black pepper adds a subtle, lingering heat. Garlic powder and onion powder provide savory depth without overpowering the steak.
• Oil: A neutral, high–smoke point vegetable oil allows the pan to heat to the proper temperature for searing and browning without burning.
• Aromatics: Freshly minced garlic cloves and green onions are added during basting to infuse the butter with an herbaceous aroma, adding layers of flavor.
• Compound Butter: Unsalted butter is mixed with yellow miso paste, sliced green onions, finely grated garlic, orange zest, and black pepper. Miso butter melts over the hot steak, adding rich umami and a glossy, restaurant-quality finish.

See the recipe card below for all ingredients and measurements (US and metric).

Ingredient Substitutions

This top sirloin steak recipe is easy to customize! Try these delicious options:

• Seasoning Swaps: I prefer simple ingredients to let the beef’s flavor shine. Even a sprinkle of sea salt makes a difference. However, you can add a small amount of smoked paprika for a grilled note. I like to mix in dried herbs, like Italian seasoning, to add stronger herbaceous notes. Try a spicy kick with Cajun seasoning or red pepper flakes.
• Oil Options: Otherhigh-smoke point oils can be used. Try fruity refined light olive oil, grapeseed oil, or Avocado oil is my top choice.
• Miso Options: I used yellow miso because it provides balanced umami and sweetness without overpowering the steak. White miso is milder and slightly sweet, while red miso is much bolder and saltier, which can overwhelm the beef when mixed into butter.
• Compound Butter Ideas: Garlic butter is a classic topping. Try herb butter with fresh herbs like thyme, rosemary, tarragon, oregano, or chives. Add lemon zest for a fresh citrus aroma.

How to Cook Top Sirloin Steak

Step 1: Thaw the Steaks

Omaha Steaks are flash-frozen at peak freshness, a rapid-freezing process that forms tiny ice crystals, minimizing cell damage and preserving the meat’s texture, moisture, and flavor better than slow freezing or typical fresh retail handling.

Thawing the steaks gently in the refrigerator overnight prevents the outside from warming too fast while the center stays cold. Resting them briefly at room temperature reduces the temperature gradient, so the top sirloin sears evenly and develops a better crust without overcooking the inside.

Pro Tip: To thaw the steaks faster, place the sealed packages in a large bowl of cold water for 30 to 60 minutes. Water transfers heat more efficiently than air, helping the steak thaw without warming the surface or affecting its quality.

Step 2: Make the Miso Compound Butter

My Asian-inspired compound butter provides a melted, creamy base that enhances the flavor of the hot steak. I use yellow miso because it offers the best balance of umami depth and mild sweetness. Finely grated garlic adds a soft pungency that melds into the butter, while green onions add freshness. Orange zest is a surprising element that adds brightness to the richness. Black pepper contributes gentle heat for a well-rounded, savory finish.

Experimentation Encouraged: For a fancy presentation, wrap the miso butter in plastic wrap and shape it into a log. Place it in the fridge to firm up, then slice. It freezes well, too!

Step 3: Season the Steaks

It’s crucial to pat the steaks dry to remove excess surface moisture and prevent steam from forming during searing. Evenly sprinkling both sides ensures a consistent flavor while creating a more savory crust in the pan.

Tips for Perfect Execution: It’s best to cook steaks when they’re closer to room temperature, so they cook more evenly. This helps prevent a gray outer ring and gives you a more consistent pink interior from edge to center.

Step 4: Pan-Sear the Steaks

Starting over high heat jump-starts the Maillard reaction to build flavor. Then, lowering the heat to medium allows for more gradual heat transfer so the exterior doesn’t burn before the center cooks through, resulting in better texture, juiciness, and overall flavor.

The process takes about 6 to 7 minutes per side, cooking until a meat thermometer reaches an internal temperature of 120 to 125°F (49 to 52°C) for medium-rare. Cooking time will vary depending on steak thickness and preferred doneness. You can quickly sear the sides of each steak if it is still rare. The reverse sear steak method also works well for top sirloin.

Checking for Steak Doneness: As a rule of thumb, for top sirloin, I recommend removing the steak from the pan when it’s about 5 degrees below your target doneness, since it only needs a 5- to 10-minute rest.

Chef’s Tip: I recommend using a cast-iron skillet because it retains heat exceptionally well, helping maintain steady heat distribution with the steak and promoting even browning. A stainless steel pan works, as long as the steak is left undisturbed.

Step 5: Baste the Steaks

Finish the top sirloin with a quick butter baste. Garlic and green onions are gently sautéed just until fragrant, then spooned over the steaks to coat the surface with rich, savory aromatics. This extra step encourages more browning due to the milk protein solids in the butter.

Step 6: Rest the Steaks

The steaks will continue to cook and rise about 5 to 10 degrees during resting due to carryover cooking. As the meat rests, residual heat gently finishes cooking the center while the muscle fibers relax, allowing the juices to move back toward the center rather than spilling out when sliced.

Make sure to slice the steak against the grain to shorten the muscle fibers, making each bite even more tender and easier to chew.

Step 7: To Serve

Serve the steaks hot, topped with a generous pat of miso butter, and let it melt over the surface. Each bite is so tender, you’ll swear it’s filet mignon! I enjoy pairing this steak with vegetables like a fresh salad, sautéed green beans, bok choy, fluffy rice, or creamy mashed red potatoes.

With filet-level tenderness and reliable quality, Omaha Steaks Top Sirloin Filets make steak night easy, confident, and something you’ll be proud to serve. It’s a smart upgrade for home cooks who want great results without the premium price.

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