Crockpot Sirloin Steak and Gravy Recipe
This crockpot sirloin steak is seasoned to perfection and you can just set it and forget it! Serve with your favorite side for dinner tonight!
This is the recipe I make when I want a real dinner on the table with almost zero effort. Sirloin steak, three seasoning packets, water, and a crockpot — that’s it. Five minutes of prep in the morning, and by dinner you have fork-tender steak swimming in a rich, savory gravy that tastes like it took hours of active cooking. Because it did, just not from you.
I’ve been making crockpot meals since I got my first slow cooker about ten years ago and it genuinely changed weeknight dinners for me as a busy mom of three. The one-pot cleanup alone is worth it. This sirloin steak recipe is one of my most-reached-for slow cooker dinners because it feels like a proper meal — steak and gravy over mashed potatoes — while requiring almost nothing from you.
The secret is the three-packet combination. Brown gravy for richness and body, au jus for deep beefy flavor, and ranch seasoning for the garlic-herb brightness that ties everything together. Together they create a gravy that tastes far more complex than three packets of seasoning have any right to produce.
Why This Three-Packet Combination Works
This isn’t just a random dump of seasoning — each packet plays a specific role in building the final gravy:
Brown gravy mix provides the base. It thickens the liquid as it cooks down and adds the rich, roasted-meat flavor that makes the gravy taste like something that simmered on the stove for hours.
Au jus mix adds depth. Au jus is essentially concentrated beef drippings flavor — it amplifies the beefy quality of the steak and gives the gravy that restaurant-quality savoriness that’s hard to achieve with just salt and pepper.
Ranch seasoning is the secret weapon. It adds garlic, onion, herbs, and a subtle tang that keeps the whole gravy from tasting one-dimensional. This is why crockpot recipes with ranch seasoning taste so much better than ones without — it adds complexity without any extra work.
The result is a gravy that tastes like it was made from scratch with beef stock, aromatics, and hours of patience. It wasn’t.
What ingredients do you need to make Crockpot Sirloin Steak?
Top sirloin steak or London broil sliced thin – you can slice it yourself or if you are like me you ask the butcher to do it to save some time!
Brown gravy mix – this will help with the rich flavor
Au Jus gravy mix – Yes please!
Ranch seasoning – There are so many crockpot recipes that require ranch seasoning, and for good reason! It saves a lot of time and packs a lot of flavor.
water
How do I make this Crockpot Sirloin Steak?
All you have to do is layer the meat, the seasoning packets and the water. It couldn’t get any more simpler! The best part is that you can make this delicious meal and leave it on warm until you are ready to dig in!
This slow cooker fork tender great recipe is great with some buttery mashed potatoes–the delicious gravy and the flavors of the meat make this one yummy dish! It’s an easy weeknight meal and the best way to unwind after a long day.
I think I got my first crockpot around 10 years ago. It was the beginning of my obsession with kitchen gadgets! I love that you can put all of the ingredients in and forget it. This is clutch for parents with many things to do every day.The best part of it all is that cleanup is easy!
Only one pot, instead of many pots and pans. I have made so many delicious meals in my crockpot and today I am sharing one of my favorites, sirloin steak!
Optional But Worth It: Sear the Steak First
If you have an extra 5 minutes, sear the sliced steak in a hot skillet with a little oil before adding it to the crockpot — 1-2 minutes per side over high heat until browned. You’re not cooking it through, just building a crust. This step creates a caramelized exterior that adds a layer of flavor the slow cooker alone can’t replicate. It also helps the steak hold together better during the long cook. Totally optional, but if you want to take this from great to exceptional, searing is how.
What can you serve with Slow Cooker Sirloin Steak?
There are a variety of sides that pair nicely with slow cooker sirloin steak. Roasted vegetables such as potatoes, carrots, and bell peppers go great with this dish. You can also serve it with creamy mashed potatoes or crispy french fries for a more indulgent meal. Rice dishes like cilantro rice are also a great accompaniment for the steak. For a lighter side, a fresh green salad with a simple vinaigrette dressing is always nice to pair with steak.
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FAQs
Store leftovers in an airtight container in the fridge for up to 4 days. Reheat gently on the stovetop or in the microwave, adding a splash of broth or water to loosen the gravy.
Absolutely. You can swap in chuck roast, rump roast, or stew meat. Seasonings are flexible—try au jus, onion soup mix, garlic/onion powder, or Italian seasoning as your mood strikes.
It’s not recommended. Frozen meat in a slow cooker means the meat spends too long in the temperature danger zone (40-140°F) as it thaws, which is a food safety risk. Thaw the steak completely in the refrigerator overnight before using. If you forgot to thaw, a quick cold-water thaw (sealed in a bag, submerged in cold water, changed every 30 minutes) takes about an hour for a 2-3 lb portion.
Overcooked. Sirloin doesn’t benefit from extremely long cook times the way chuck roast does — it can go from tender to tough if left too long. Check it at the 4-hour mark on high. If it’s already fork-tender, switch to warm. The goal is tender, not falling-apart shredded — that’s a different cut (chuck roast) for a different result.
They produce different results. Sirloin (this recipe) stays in slices and produces a cleaner, more steak-like result — sliced meat in savory gravy. Chuck roast breaks down more completely and is better for shredded or pulled results. If you want fork-tender slices served like steak, use sirloin. If you want fall-apart, pull-with-two-forks meat, use chuck.
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Easy Crockpot Sirloin Steak
Five ingredients, five minutes of prep, and your crockpot does the rest. Thin-sliced sirloin slow-cooked all day in a three-packet gravy that tastes way more complex than it has any right to. Serve over mashed potatoes and call it a win.
Ingredients
- 2 to 3lbs top sirloin steak or London broil sliced thin
- 1 packets brown gravy mix
- 1 packet Au Jus mix
- 1 packet ranch seasoning
- 2 1/2 cups water
Instructions
- Layer meat on the bottom of the crockpot.
- Sprinkle the three packets of seasoning over the meat.
- Pour the water over it and stir coating all of the meat.
- Cook on high for 4-5 hours or low for 8-10 hours. Timing depends on how thinly your steak is sliced and how full your crockpot is — thinner slices and a fuller pot cook faster. The steak is done when it's completely fork-tender and pulls apart easily. If you're home, check at the 4-hour mark on high or 7-hour mark on low. Don't overcook — sirloin will become stringy and dry if left too long. Once done, switch to the warm setting until ready to serve.
- Stirring occasionally.
- Serve with rice, pasta, or mashed potatoes.
Nutrition Information
Yield
8Serving Size
1Amount Per Serving Calories 81Total Fat 4gSaturated Fat 2gUnsaturated Fat 2gCholesterol 21mgSodium 500mgCarbohydrates 4gFiber 0gSugar 1gProtein 7g
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Hi! I’m Nellie. I am an entrepreneur, a busy mama of 3 and a wife to my high school sweetheart. I have been sharing content for over 12 years about how to cook easy recipes, workout tips and free printables that make life a little bit easier. I have been featured in places like Yahoo, Buzzfeed, What To Expect, Mediavine, Niche Pursuits, HuffPost, BabyCenter, Mom 2.0, Mommy Nearest, Parade, Care.com, and more!
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