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Rich in flavour, these sweet, spicy, tangy Slow Cooker BBQ Sliced Beef Sandwiches, are sure to be a hit!  A great way to tenderize inexpensive cuts of beef and add extreme flavour!  

This is not your momma’s sandwich.  This sandwich is probably the best thing I’ve eaten since last summer when I had that pork belly sandwich in Washington.  (Seriously, check out my Instagram feed to see that thing of beauty!)  If you’re looking for dainty, or “slider-sized,” you best leave now.  Slow Cooker BBQ Sliced Beef Sandwiches are huge, messy, and freaking delicious!

I love recipes like this.  They are no fail.  It’s just a set it and go type of recipe which allows you to do other things more important in life rather than be tied to your kitchen for hours at a time.  That might be a bad thing for some of you; for me, it would be heaven.  But, I understand that not everyone loves to cook and bake as much as I do.

Besides, in the five hours it take for this beef to cook, you could be cleaning your house, hanging out with your kids, washing your car, or busting your ass at the gym so that you don’t feel guilty about eating two or three of these sandwiches.  (After you try these for the first time, just try telling me that you didn’t want another one.  I won’t believe you!)

I wish I could put into words how wonderful this sandwich actually tastes.  The sauce doesn’t get too thick at all, so be sure to soak your sliced beef into it before piling it onto the bun.  The beef has been slow cooked and even though it’s tender, it’s not fall-apart tender, so you’ll be able to slice across the grain quite easily.  By soaking the sliced beef in the sauce, you are ensuring that every single bite is dripping with the most glorious BBQ sauce you can imagine.

The sauce is worth drinking.  I’m serious!  It’s got a rich, slow-simmered flavour to it.  It immediately brings me back to my childhood when my mom would prepare BBQ beef dishes.  You know that homemade braising sauce that only your mom can make and get just right?  Yep, that one!  And that’s just how this sauce tastes.  It’s sweet and spicy, tangy and full-bodied.  If you’re like me, you’ll want to add a little cup of sauce to your plate so that you can dip the sandwich into it before every bite.

This sandwich is messy and drippy and not to be eaten on a first date.  In fact, eat this sandwich with the people you’re most comfortable with – like your spouse, your family, your best friends, your cats, or eat it alone to avoid any discomfort at all.

Do not wear white; didn’t I already mention how moist and how drippy this sandwich is?  You’ve been warned.  Don’t plan on there being any leftovers.  There won’t be; it’s that simple.  Sit to your table.  Pull your chair in close.  Turn off the television.  Remove your earbuds.  This sandwich deserves your full attention and should be respected.

When it comes to coleslaw, I prefer to make my own.  In the photos you see in front of you, I had purchased a store-made coleslaw which was vinegar based.  Truth be told, I think a creamy coleslaw works better, because the creamy sweetness and bitterness of the coleslaw mixes well with the tangy heat of the beef.

If you have time, you can make my Homestyle Creamy Coleslaw.  And serve it with my Vegetable Potato Salad or my Roasted Potato and Egg Salad.  Otherwise, serve the sandwich with your favourite potato chips for a great burger-joint meal at home!

However you choose to eat this sandwich, just be sure to enjoy it.  Get messy; get dirty, and have lots of napkins on hand.  After all, when a sandwich or burger is done right, it’s messy.  If you don’t get dirty, then it’s just not worth it!

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Slow Cooker BBQ Sliced Beef Sandwiches

Rich in flavour, these sweet, spicy, tangy Slow Cooker BBQ Sliced Beef Sandwiches, are sure to be a hit! A great way to tenderize inexpensive cuts of beef and add extreme flavour!  
Course Main Course
Cuisine American
Prep Time 10 minutes
Cook Time 5 hours
Total Time 5 hours 10 minutes
Servings 8 servings
Calories 822kcal
Author Lord Byron's Kitchen


  • 4 pounds sirloin tip beef roast
  • 1 large onion, finely chopped
  • 2 cups ketchup
  • 1/2 cup brown sugar, lightly packed
  • 5 cloves garlic, minced
  • 5 tablespoons rice vinegar
  • 5 tablespoons worcestershire sauce
  • 1 tablespoon paprika
  • 1 tablespoon chili powder
  • 1/2 cup water
  • 8 large hamburger buns
  • 3 cups coleslaw
  • 3 cups old cheddar cheese, grated


  • Add the following ingredients to your slow cooker: onion, ketchup, brown sugar, garlic, vinegar, worcestershire sauce, paprika, chili powder, and water. Whisk together to combine.
  • If the beef roast is tied with string, leave it on. Place the beef into the slow cooker and secure the lid.
  • Turn the heat to high and allow beef to cook for 5 hours.
  • When beef is cooked, remove from slow cooker and place on a wooden cutting board. Allow beef to rest for 10 minutes.
  • Next, slice beef about 1/4-1/2 inch thick. Dip each slice into the sauce in the slow cooker before placing the sliced beef onto the hamburger bun.
  • Top the beef with 1/2 cup of grated cheese and 1/2 cup of prepared coleslaw.
  • Serve immediately.
  • Optional: use the leftover sauce to serve as a dip for the sandwiches.


Calories: 822kcal | Carbohydrates: 37g | Protein: 60g | Fat: 22g | Saturated Fat: 11g | Cholesterol: 169mg | Sodium: 1075mg | Potassium: 1217mg | Fiber: 1g | Sugar: 29g | Vitamin A: 1495IU | Vitamin C: 15.4mg | Calcium: 409mg | Iron: 5.8mg

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