If you love a dinner that looks impressive but doesn’t require you to stand over the stove all evening, this Slow Cooker Bacon-Wrapped Sirloin is about to become a favorite!
There’s something pretty special about wrapping tender beef in smoky bacon and letting the slow cooker do most of the work. The bacon adds richness and savory flavor while the slow, gentle cooking helps create a wonderfully comforting main dish.
And the smell when this is cooking? Incredible!!
This is one of those recipes that feels fancy enough for Sunday dinner but is easy enough for a busy weeknight.
Why You’ll Love This Slow Cooker Bacon-Wrapped Sirloin
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There are plenty of reasons to keep this recipe in your back pocket.
Easy preparation: Most of the work happens before the slow cooker starts.
Big flavor: Bacon, garlic, herbs, and beef make a delicious combination.
Minimal hands-on cooking: Let the slow cooker handle the long cooking time.
Great for gatherings: Slice it up and serve it family-style.
Comfort-food appeal: Rich, savory, tender, and satisfying.
Easy to customize: Change the seasonings or add vegetables underneath.
And that bacon wrapping? It makes the whole thing look like you worked much harder than you actually did!
What Does Bacon-Wrapped Sirloin Taste Like?
Think tender, savory beef surrounded by smoky, salty bacon with garlic and herbs adding extra depth.
The sirloin has a naturally beefy flavor, while the bacon contributes richness as it cooks.
For an even more flavorful finish, you can quickly brown the bacon-wrapped roast in a skillet before placing it in the slow cooker. That extra step isn’t absolutely necessary, but it can add beautiful color and a deeper roasted flavor.
Ingredients You’ll Need
For the Sirloin
2 to 2½ pounds sirloin roast or sirloin tip roast
8–10 slices bacon
2 tablespoons olive oil
3 cloves garlic, minced
1 teaspoon kosher salt
1 teaspoon smoked paprika
1 teaspoon dried thyme
½ teaspoon black pepper
½ teaspoon onion powder
½ cup beef broth
1 tablespoon Worcestershire sauce
Optional Additions
You can also add:
1 sliced yellow onion
8 ounces mushrooms
2–3 carrots, cut into chunks
Fresh rosemary
Fresh thyme
1 teaspoon Dijon mustard
A pinch of red pepper flakes
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If you want a slightly sweeter bacon glaze, a small amount of brown sugar can be mixed with the seasonings. Just remember that it can caramelize quickly if you finish the roast under a broiler.
Tools You’ll Need
Nothing complicated here!
Slow cooker, preferably 5–6 quarts
Small bowl
Skillet, optional
Tongs
Cutting board
Sharp knife
Meat thermometer
A meat thermometer is particularly useful with beef because the ideal final temperature depends on how well-done you want the meat.
How to Make Slow Cooker Bacon-Wrapped Sirloin
Step 1: Prepare the Seasoning:
Step 1: Prepare the Seasoning
In a small bowl, combine the olive oil, minced garlic, salt, smoked paprika, thyme, black pepper, onion powder, and Worcestershire sauce.
Mix until you have a loose seasoning paste.
Step 2: Season the Beef
Pat the sirloin dry with paper towels.
Rub the seasoning mixture generously over all sides of the beef.
Don’t be shy here. You want every bite to have plenty of flavor.
Step 3: Wrap the Sirloin in Bacon
Lay the bacon slices slightly overlapping on a clean work surface.
Place the seasoned sirloin on top and wrap the bacon around the beef.
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If needed, secure the bacon with a few toothpicks. Just remember to remove them before serving.
Step 4: Optional—Brown the Bacon
For extra flavor and color, heat a large skillet over medium-high heat.
Carefully brown the bacon-wrapped sirloin for a few minutes, turning gently so several sides develop some color.
You don’t need to cook the beef through at this point.
This step is optional, but I really like it when I have a few extra minutes.
Step 5: Set Up the Slow Cooker
Place sliced onions, mushrooms, or carrots in the bottom of the slow cooker if you’re using them.
Pour in the beef broth.
Place the bacon-wrapped sirloin on top.
Try not to completely submerge the beef in the liquid. You want the broth to provide moisture without turning the bacon into a completely soft layer.
Step 6: Cook Low and Slow
Cover and cook on LOW for approximately 4–6 hours, depending on the size and shape of your roast and your desired doneness.
Start checking the internal temperature toward the earlier end of the cooking range.
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Because sirloin is relatively lean, it can become dry if cooked far beyond the point of doneness you want.
Step 7: Check the Temperature
Use an instant-read thermometer inserted into the thickest part of the beef.
For food safety, whole cuts of beef should reach at least 145°F (63°C) followed by a 3-minute rest.
If you prefer your beef more well done, continue cooking until it reaches your preferred temperature.
Step 8: Rest Before Slicing
Transfer the cooked sirloin to a cutting board and loosely tent it with foil.
Let it rest for about 10–15 minutes before slicing.
I know—waiting is hard!
But that little resting period helps the juices redistribute through the meat.
Step 9: Crisp the Bacon if Needed
Slow cookers are excellent at making beef tender, but they don’t create the crisp bacon texture you get from an oven or skillet.
If your bacon needs more crisping, place the cooked roast under a broiler for a short time or return it carefully to a hot skillet.
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Watch it closely because bacon can go from beautifully browned to burnt surprisingly quickly.
What to Serve With Bacon-Wrapped Sirloin
This beef is rich and savory, so simple side dishes work beautifully.
Try serving it with:
Creamy mashed potatoes
Roasted baby potatoes
Garlic green beans
Roasted carrots
Steamed broccoli
Creamed spinach
Buttered noodles
A crisp green salad
Dinner rolls
For a classic Sunday-dinner plate, I’d go with mashed potatoes, roasted vegetables, and a spoonful of the flavorful cooking juices.
So good!
Easy Sauce Ideas
The slow cooker juices can be turned into a simple sauce or gravy.
Quick Beef Gravy
Strain the cooking liquid into a saucepan.
Bring it to a simmer and thicken with a cornstarch slurry made from:
1 tablespoon cornstarch
2 tablespoons cold water
Whisk the slurry into the simmering liquid and cook until thickened.
Taste and adjust the seasoning as needed.
You can also add a small spoonful of Dijon mustard for extra tang.
Ingredient Substitutions
Sirloin
A sirloin tip roast can work well, although cooking time will vary depending on its size and shape.
Bacon
Regular-cut bacon is generally easier to wrap around the roast than very thick-cut bacon.
Beef Broth
Low-sodium beef broth works especially well because the bacon and seasoning already provide plenty of salt.
Herbs
Don’t have thyme?
Try rosemary, Italian seasoning, oregano, or a combination of your favorite dried herbs.
Worcestershire Sauce
You can replace it with a little soy sauce for extra savory flavor, although the flavor profile will be slightly different.
Tips for the Best Bacon-Wrapped Sirloin
Don’t Overcook the Beef
This is probably the biggest tip I can give you.
Sirloin is not an especially fatty cut, so extended cooking can eventually make it dry and tough rather than tender.
Use a Meat Thermometer
Cooking time is only an estimate.
The shape, starting temperature, slow cooker, and size of the roast can all affect how quickly the beef cooks.
Don’t Drown the Bacon
The broth should provide moisture around the roast, but keeping the bacon mostly above the liquid helps prevent it from becoming completely soggy.
Let It Rest
Give the roast those 10–15 minutes before slicing.
It really is worth it.
Slice Against the Grain
Look for the direction the muscle fibers run and slice perpendicular to them.
This can make each bite feel more tender.
Crisp the Bacon at the End
If you want that irresistible crispy bacon finish, use a broiler or skillet after slow cooking rather than expecting the slow cooker alone to crisp it.
Can You Make It Ahead?
Yes!
You can season the sirloin and wrap it with bacon several hours ahead of cooking.
Keep the prepared roast refrigerated until you’re ready to cook it.
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For best food safety, don’t leave raw beef sitting at room temperature while you wait for dinner time.
Storage Instructions
Allow leftovers to cool and refrigerate them promptly in a covered container.
Properly refrigerated cooked beef is generally best used within 3–4 days.
For longer storage, freeze portions in airtight freezer-safe packaging for about 2–3 months for best quality.
Thaw frozen leftovers in the refrigerator before reheating.
Reheat gently so the sirloin doesn’t dry out.
Recipe Information
Prep Time: 15–20 minutes
Optional Searing: 5–8 minutes
Slow Cooker Time: Approximately 4–6 hours on LOW
Resting Time: 10–15 minutes
Servings: 6–8
Cuisine: American-inspired
Category: Main Course
Cooking time is approximate. Always use the internal temperature of the beef as your guide.
Frequently Asked Questions
Can I put raw bacon around the sirloin in the slow cooker?
Yes. The bacon can cook alongside the beef. However, slow cooking doesn’t usually make bacon crispy, so you may want to brown it before cooking or crisp it afterward.
Can I cook this on HIGH?
You can, but LOW is generally preferable for a recipe like this because it provides a gentler cooking environment. If using HIGH, monitor the beef closely with a thermometer because the cooking time can vary considerably.
Why is my sirloin tough?
The most common issue is overcooking. Sirloin is relatively lean, and cooking it well beyond the desired internal temperature can leave it dry and firm.
Can I add potatoes to the slow cooker?
Absolutely. Baby potatoes or larger potatoes cut into chunks can be placed underneath the beef.
Can I use thick-cut bacon?
Yes, although thick-cut bacon may take longer to brown and can be harder to wrap neatly around the roast.
Do I have to sear the beef first?
No. Searing is optional. It adds extra browning and flavor but isn’t required for the recipe to work.
How do I know when the sirloin is done?
Use an instant-read thermometer in the thickest part of the roast. For food safety, whole cuts of beef should reach at least 145°F (63°C), followed by a 3-minute rest.
Approximate Nutrition
Nutrition will vary depending on the exact cut of beef, amount of bacon, serving size, and ingredients used.
A rough estimate per serving is:
Calories: 400–500
Protein: 40–50g
Fat: 25–32g
Carbohydrates: 2–5g
Sodium: 700–1,000mg
For the most accurate nutritional information, calculate the recipe using the exact brands and quantities you use.
Final Thoughts
There are recipes you make because they’re quick.
Then there are recipes like this one that make dinner feel a little more special without turning your kitchen upside down.
Slow Cooker Bacon-Wrapped Sirloin gives you tender, savory beef, smoky bacon, and loads of comforting flavor with surprisingly little hands-on work.
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Serve it with mashed potatoes and vegetables for a cozy family dinner, or put it on the table when guests are coming over and let everyone wonder how you managed to make something so impressive!
The slow cooker does most of the heavy lifting.
You just need to wrap that beef in bacon, season it well, let it cook, and give it a proper rest before slicing.
And that, my friends, is a dinner worth making!