Slow Cooker Root Beer Sloppy Joes are sweet, tangy, and packed with flavor thanks to a rich root beer-infused sauce. This easy, hands-off recipe makes a hearty, crowd-pleasing sandwich perfect for weeknight dinners or casual gatherings.

Slow cooker Root Beer Sloppy Joes served on buns with tangy, rich sauce, ready to eat.
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Slow Cooker Root Beer Sloppy Joes are a fun, flavorful twist on the classic sandwich we all love.

The root beer adds a sweet, tangy depth to the savory beef, creating a juicy, saucy filling that’s perfect for piling onto buns.

Easy to make and hands-off, they’re ideal for busy weeknights, casual dinners, or feeding a hungry crowd.

Slow Cooker Root Beer Sloppy Joes on buns with juicy, saucy beef filling, ready to serve.

Why You Will Love This Recipe!

  • Sweet and tangy root beer adds a unique twist to classic Sloppy Joes.
  • Hands-off slow cooker method makes dinner effortless and stress-free.
  • Juicy, flavorful beef filling that’s perfect for piling onto buns.
  • Great for feeding a crowd or family-friendly weeknight meals.
  • Easy ingredients you probably already have in your pantry.

Ingredients Needed

Ingredients needed for Slow Cooker Root Beer Sloppy Joes on kitchen table.
  • Ground beef, browned: Juicy and flavorful base for Sloppy Joes filling
  • Small onion, finely diced: Adds sweetness and depth to the savory mixture
  • Green and red bell pepper, finely diced: Colorful, crunchy flavor for added texture
  • Garlic, minced: Fresh garlic flavor enhances overall savory taste
  • Root beer, not diet: Sweet, tangy liquid adds unique depth to sauce
  • Ketchup: Classic tomato base for rich and tangy Sloppy Joe sauce
  • Brown sugar: Adds sweetness to balance tangy and savory flavors
  • Worcestershire sauce: Boosts umami with rich, savory depth
  • Yellow mustard: Adds tangy, slightly sharp flavor to the sauce
  • Salt: Enhances all flavors and balances the savory ingredients
  • Black pepper: Provides subtle heat and depth throughout the mixture
  • Garlic powder: Boosts garlic flavor for extra aromatic taste
  • Onion powder: Adds concentrated onion flavor for extra savory notes
  • Quick cooking oatmeal: Helps thicken mixture and bind the sauce
  • Slider buns: Soft, perfect vessels for juicy Sloppy Joe filling
  • Optional cheddar cheese or pickles: Adds extra flavor, creaminess, or crunch to sandwiches

How To Make Slow Cooker Root Beer Sloppy Joes

Ground beef, diced onions, garlic, and bell peppers added to slow cooker

Step 1: Add the browned ground beef, diced onions, minced garlic, and bell peppers to the slow cooker.

Step 2: In a small bowl, whisk together root beer, ketchup, brown sugar, Worcestershire sauce, mustard, salt, black pepper, garlic powder, and onion powder until smooth.

Pouring sauce over beef mixture in slow cooker and stirring gently

Step 3: Pour the sauce over the beef mixture and stir gently to combine. Cover and cook on Low for 4-6 hours or High for 2-3 hours.

Sloppy Joe mixture served on slider buns with cheddar cheese and pickles

Slow Cooker Root Beer Sloppy Joes Recipe Tips

  • Use full-flavored root beer (not diet) for the best sweet and tangy taste.
  • Browning the ground beef before adding to the slow cooker enhances flavor and texture.
  • Stir the sauce well to coat all the meat and vegetables evenly.
  • Adjust seasoning to taste—add more salt, pepper, or mustard if desired.
  • For thicker Sloppy Joes, cook uncovered for the last 30 minutes to reduce excess liquid.

Storing Instructions

Store leftover Sloppy Joe mixture in an airtight container in the refrigerator for up to 4 days. Reheat in a skillet over medium heat or in the microwave, adding a splash of root beer or ketchup if the mixture is too thick. Slider buns should be stored separately and warmed just before serving.

Slow Cooker Root Beer Sloppy Joes on buns with juicy, saucy beef filling, ready to serve.

Slow Cooker Root Beer Sloppy Joes Recipe Faqs

Can I use a different type of soda? Yes, you can substitute another sweet, carbonated soda like cola or cream soda, but root beer gives the most classic sweet-tangy flavor.

Can I make this with ground turkey or chicken? Absolutely! Ground turkey or chicken works well, just adjust cooking time slightly and ensure it’s fully cooked.

Can I prepare this ahead of time? Yes, you can assemble the ingredients in the slow cooker the night before and refrigerate. Cook the next day, adding about 30 extra minutes if needed.

Can I freeze leftovers? Yes, store cooled Sloppy Joe mixture in an airtight container in the freezer for up to 3 months. Thaw in the refrigerator before reheating.

How can I thicken the sauce if it’s too runny? Stir in a small amount of quick-cooking oatmeal, cornstarch, or cook uncovered for the last 30 minutes to reduce excess liquid.

Can I make this on the stovetop instead of a slow cooker? Yes, cook the beef, vegetables, and sauce in a large skillet over medium heat, simmering until thickened and fully cooked.

What can I serve with these Sloppy Joes? They’re perfect on slider buns, sandwich rolls, or even served over rice or mashed potatoes for a hearty meal.

Slow Cooker Root Beer Sloppy Joes on slider buns with juicy, saucy beef filling, ready to serve.

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Slow cooker Root Beer Sloppy Joes served on buns with tangy, rich sauce, ready to eat.

Slow Cooker Root Beer Sloppy Joes

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Prep Time: 10 minutes
Cook Time: 4 hours
Total Time: 4 hours 10 minutes
Servings: 12 Servings

Description

Slow Cooker Root Beer Sloppy Joes are an easy, sweet, and tangy twist on a classic sandwich. Perfect for hands-off weeknight dinners, casual family meals, or feeding a crowd.

Ingredients 

  • 2 pounds ground beef, browned
  • 1 small onion, finely diced
  • 1 large green bell pepper, finely diced
  • 1 large red bell pepper, finely diced
  • 3 cloves garlic, minced
  • 1 cup root beer
  • 1 cup ketchup
  • 2 tablespoons brown sugar
  • 1 tablespoon Worcestershire sauce
  • 1 tablespoon yellow mustard
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • ¼ cup quick cooking oatmeal
  • 12 slider buns
  • Optional sliced cheddar cheese or pickles for serving

Instructions

  • Add the 2 pounds ground beef, 1 small onion, 3 cloves garlic1 large green bell pepper, and 1 large red bell pepper to the slow cooker.
  • In a small bowl whisk together 1 cup root beer, 1 cup ketchup, 2 tablespoons brown sugar, 1 tablespoon Worcestershire sauce, 1 tablespoon yellow mustard, 1 teaspoon salt, ½ teaspoon black pepper, ½ teaspoon garlic powder and ½ teaspoon onion powder, slowly fold in the ¼ cup quick cooking oatmeal.
  • Pour the sauce over the beef mixture and stir gently. Cover and cook on Low for 4 to 6 hours or High for 2 to 3 hours.
  • Spoon the sloppy joe mixture onto 12 slider buns. Add Optional sliced cheddar cheese or pickles for serving.

Equipment

  • Slow Cooker
  • Mixing Bowl

Nutrition

Serving: 1ServingCalories: 243kcalCarbohydrates: 29gProtein: 19gFat: 5gSaturated Fat: 2gPolyunsaturated Fat: 0.3gMonounsaturated Fat: 2gTrans Fat: 0.3gCholesterol: 47mgSodium: 462mgPotassium: 405mgFiber: 2gSugar: 12gVitamin A: 584IUVitamin C: 30mgCalcium: 46mgIron: 3mg

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