Start by heating a skillet over medium heat. Add the ground beef and cook until it’s nicely browned and crumbled. This step not only adds flavor but also removes excess fat. Once the beef is browned, drain off any extra grease to keep the mixture from becoming too oily.
Next, stir in the chopped onion and bell pepper into the same skillet. Cook them together for 3 to 4 minutes until they become slightly soft and aromatic. This enhances their flavor before they go into the slow cooker and ensures they blend well into the final mixture.
Transfer the cooked beef and veggies to your slow cooker. Add tomato sauce, ketchup, brown sugar, apple cider vinegar, Worcestershire sauce, mustard, garlic powder, onion powder, salt, and pepper. Stir thoroughly to mix all the flavors evenly. The sauce will be rich, tangy, and slightly sweet—perfect for sloppy joes.
Cover the slow cooker and set it to low. Let the mixture cook for 6 to 7 hours. Over time, the flavors will develop beautifully, and the sauce will thicken. Your house will start to smell amazing as the hours pass!
Once done, give the mixture a good stir and taste for seasoning. Spoon the sloppy joe mixture generously onto soft buns and serve with your favorite sides—fries, coleslaw, or pickles work great. Prepare for a messy, mouthwatering experience!