Slow Cooker Bacon-Wrapped Sirloin: A Flavorful, Easy Dinner

Few things make a beef roast feel more special than a layer of smoky bacon wrapped around the outside. This slow cooker bacon-wrapped sirloin combines savory herbs, garlic, beef broth, and bacon to create a comforting meal with surprisingly little hands-on work.

The key to getting this recipe right is remembering that sirloin is a lean cut of beef. Unlike chuck roast, it doesn't need to cook for many hours to become tender. Cooking it too long can actually leave the meat dry. For that reason, an instant-read thermometer is more useful than relying strictly on the clock.

Ingredients

• 2½–3 pounds beef sirloin roast
• 8–10 slices bacon
• 1½ teaspoons kosher salt
• 1 teaspoon freshly ground black pepper
• 1 teaspoon garlic powder
• 1 teaspoon dried thyme
• ½ teaspoon dried rosemary
• 1 cup beef broth
• 1 tablespoon Worcestershire sauce
• 1 small onion, thinly sliced
• 3 garlic cloves, minced
• 1 tablespoon olive oil, if searing

How to Make Bacon-Wrapped Sirloin

1. Season the Beef

Pat the sirloin dry with paper towels. Mix together the salt, pepper, garlic powder, thyme, and rosemary, then rub the seasoning evenly over every side of the roast.

2. Wrap the Roast in Bacon

Arrange the bacon slices across the sirloin, overlapping them slightly so the meat is well covered. Tuck the ends underneath the roast or secure them with toothpicks.

Keeping most of the bacon above the cooking liquid is important. The slow cooker creates a moist environment, so bacon submerged in liquid won't become crisp.

3. Sear for Extra Flavor

Searing isn't required, but it can give the beef a deeper roasted flavor.

Heat the olive oil in a large skillet over medium-high heat. Brown the bacon-wrapped sirloin briefly on several sides. The goal is to develop color on the exterior without cooking the center.

If you're short on time, skip this step and put the seasoned, bacon-wrapped roast directly into the slow cooker.

4. Set Up the Slow Cooker

Scatter the sliced onion and minced garlic across the bottom of the slow cooker. Pour in the beef broth and Worcestershire sauce.

Place the sirloin on top, positioning it so the bacon remains mostly above the liquid.

5. Cook Until It Reaches the Desired Temperature

Cover the slow cooker and cook on LOW, checking the beef with an instant-read thermometer as it approaches your preferred doneness.

For food safety, a whole beef roast should reach a minimum internal temperature of 145°F (63°C), followed by at least a three-minute rest.

Because sirloin is relatively lean, don't assume that a longer cooking time will make it better. Once it reaches the appropriate temperature, it's generally better to remove it rather than continuing to cook it for hours.

6. Crisp the Bacon

The slow cooker will cook the bacon, but it won't give it the crisp texture you'd get from dry heat.

For a beautifully browned finish, carefully transfer the cooked roast to a baking sheet and place it under the broiler for a few minutes. Keep a close eye on it because bacon can brown very quickly under high heat.

7. Rest and Slice

Transfer the finished roast to a cutting board and let it rest for 5–10 minutes.

Remove any toothpicks, then identify the direction of the muscle fibers. Slice perpendicular to those fibers rather than parallel to them. Cutting against the grain helps make each slice easier to chew.

Spoon a little of the flavorful cooking liquid over the sliced beef before serving.

Easy Homemade Gravy

The cooking liquid makes an excellent base for a quick gravy.

Strain the liquid into a saucepan and bring it to a gentle simmer. For a thicker gravy, combine 1 tablespoon of cornstarch with 2 tablespoons of cold water. Whisk the mixture until smooth, then gradually stir it into the simmering broth.

Continue cooking until the gravy reaches your preferred consistency.

What to Serve With Bacon-Wrapped Sirloin

This roast works particularly well with classic comfort-food sides. Consider serving it with:

• Creamy mashed potatoes
• Roasted baby potatoes
• Green beans
• Roasted carrots
• Steamed broccoli
• Creamed spinach
• Buttered egg noodles
• Corn
• Dinner rolls
• A simple garden salad

For a holiday-inspired dinner, serve the sirloin with mashed potatoes, roasted vegetables, and homemade gravy made from the slow cooker juices.

Flavor Variations

Garlic and Herb

Add fresh minced garlic, chopped rosemary, and parsley to the seasoning mixture for a more aromatic roast.

Maple Bacon

For a sweet-and-savory variation, lightly brush the bacon with maple syrup immediately before placing the roast under the broiler. Use only a small amount to prevent excessive browning.

Spicy Sirloin

Add smoked paprika, crushed red pepper flakes, or a pinch of cayenne to the seasoning blend for a little heat.

Mushroom and Onion

Add sliced mushrooms and extra onions around the roast. They'll soften in the savory broth and make an excellent accompaniment to the beef.

Can You Prepare It Ahead?

Yes. The sirloin can be seasoned and wrapped in bacon several hours before cooking. Keep the prepared roast refrigerated until you're ready to put it into the slow cooker.

You can also combine the broth and Worcestershire sauce ahead of time and refrigerate the mixture separately.

Don't leave raw beef sitting at room temperature while preparing the rest of the meal.

How to Store Leftovers

Place leftover beef in an airtight container and refrigerate promptly.

The sliced sirloin can be repurposed in several ways, including:

• Steak sandwiches
• Wraps
• Salads
• Steak and egg breakfasts
• Rice bowls
• Quesadillas

When reheating, use gentle heat and avoid cooking the beef longer than necessary. Since sirloin is lean, aggressive reheating can quickly make leftover slices dry.

Tips for the Best Results

Use temperature, not just time. Sirloin doesn't benefit from the prolonged cooking that makes chuck roast tender.

Don't submerge the bacon. Keeping it above the broth gives you a much better surface for browning afterward.

Don't skip the broiler if you love crispy bacon. A few minutes of high heat can transform the exterior.

Slice against the grain. This simple step can make a noticeable difference in the texture.

Let the roast rest. Giving the beef a few minutes before slicing helps retain more of its juices.

Frequently Asked Questions

Can I use a different cut of beef?

Yes, although cooking requirements can vary considerably between cuts. Tougher cuts such as chuck are better suited to long, slow cooking, while tender cuts such as sirloin should not be unnecessarily overcooked.

Will the bacon become crispy in the slow cooker?

Not usually. The humid environment inside a slow cooker prevents bacon from developing the same crispness it gets from dry heat. Finish the roast under the broiler or in a hot oven for a crispier exterior.

Is searing necessary?

No. Searing is optional and primarily adds browned, roasted flavor. The recipe will still work without it.

Can vegetables cook with the beef?

Absolutely. Potatoes, carrots, onions, and mushrooms are all good choices. Cut larger or denser vegetables into appropriately sized pieces so they cook evenly.

Why did my sirloin become dry?

The most common reason is overcooking. Sirloin contains less connective tissue and fat than