White Castle Sliders are the best tasting sliders recipe and are so easy to make! This copycat recipe makes perfect sliders with the delicious signature White Castle taste of beef and onion combo to make right in the comfort of your own home!
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❤️ Why you'll love it
Perfect snack or meal: These are the perfect sliders to make for game day snacking or enjoy a few of them for a complete meal
Dill pickle pan favorite: If you are a fan of dill pickle, you will love the simple topping of the signature dill pickle!
Easily portable: White Castle Burgers are a great recipe for those who need to have a portable meal. They travel well and can stay warm in a crockpot or in the oven on low wrapped in foil.
🥘 Ingredients
Dehydrated minced onion: this is found in the spice section of grocery stores.
Lean ground beef: Use a good quality beef that has a lower fat percentage.
Seasoning: I used a Mushroom Umami seasoning I buy from Trader Joes, its my very fav so I hope the don't stop making it! Other seasonings you can use are salt and pepper, seasoned salt, Mrs. Dash, whatever your favorite may be.
Slider rolls: White Castle makes their own signature bun that they serve their sliders on. Since you can't buy the real thing, I use the Martin's Potato Slider Rolls, or King's Hawaiian sweet rolls.
American cheese slices
Dill pickles: these are traditional for the burger but use any of your favorite condiments.
🔪 Instructions
- Preheat oven to 400 degrees F.
- Line a small baking sheet with aluminium foil. Sprinkle onion flakes on foil lined baking sheet.
- Crumble raw beef over top of the dried minced onions evenly. Pat meat mixture firmly over top of onions making one giant burger.
- Sprinkle lightly with seasoning to taste.
- Bake in oven for 15, until beef is cooked through.
- Remove pan from oven and carefully drain any grease from the pan. Using a paper towel, pat the top of burger with to absorb any fat that has accumulated on top.
- Place 9 cheese slices on top of the meat and return burger back to the oven for 1 minute, until cheese begins to melt.
- Separate the bun tops from the bun bottoms. Set aside. Remove burger from the oven and place the top bun on top of the beef patty, return to the oven for 1 minute. Remove from the oven and cut into 12 equal squares.
- Using a small spatula, scoop burger from the baking sheet and place on the bottom buns.
- Serve with a side of dill pickle slices, ketchup, and mustard.
🥄 Equipment
Small baking sheet, I used a 9.5 x 7" sheet
Aluminum foil
Mini spatula
🥫Storage
Store any leftover siders in an airtight container in the fridge up to 4 days max or a freezer-safe bag up to 3 months.
To reheat, place sliders on a microwave-safe plate for 20-30 seconds in the microwave, or wrap in foil and place in the air fryer for 5 minutes at 400 degrees.
📖 Variations
- Use cheddar cheese, muenster cheese, or pepper jack cheese in place of American.
- Add a spicy kick and serve with pickled jalapeno slices to make a jalapeno cheese slider.
- Skip the minced onions and substitute chopped onions
💭 Tips
- Having a party? Double the recipe to make 24 sliders and make on a large cookie sheet.
- Use a rolling pin to evenly distribute the crumbled beef over top of the baking sheet.
🙋 FAQ's
White Castle is an American burger chain that originated in the Mid-west in the early 1920's. They are well known for their square slider sized burgers served on their own signature bun.
📚 Related Recipes
Up your slider game with these homemade Sweet Dinner Rolls!
Fans of dill pickles will love this Dill Pickle Meatloaf.
A Dill Pickle Pasta Salad makes a great side to any sandwich.
🍽 Serve with...
Serve these sliders with your favorite condiments and a side of french fries.
The Last Word
A signature White Castle Slider is served with just cheese and pickle topping and it is absolutely delicious that way. However, a few of the images I share here do depict adding ketchup and that is only because I personally like ketchup on my burgers.
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📖 Recipe
White Castle Sliders
Equipment
- Small baking sheet, I used a 9.5 x 7" sheet
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Ingredients
- ¼ cup dried minced onion flakes
- 1⅓ pound 96/7 lean ground beef
- 1 teaspoon seasoning salt
- 12 slider buns
Instructions
- Preheat oven to 400 degrees F.
- Line a small baking sheet with aluminium foil. Sprinkle onion flakes on foil lined baking sheet.
- Crumble raw beef over top of the dried minced onions evenly. Pat burger firmly over top of onions making one giant burger. Sprinkle lightly with seasoning to taste.
- Bake in oven for 15, until beef is cooked through. Remove pan from oven and carefully drain any grease from the pan. Using a paper towel, pat the top of burger with to absorb any fat that has accumulated on top.
- Place 9 cheese slices on top of the meat and return burger back to the oven for 1 minute, until cheese begins to melt.
- Remove burger from the oven and place the top bun on top of the beef patty, return to the oven for 1 minute.
- Remove from the oven and cut into 12 equal squares. Using a small spatula, scoop burger from the baking sheet and place on the bottom buns.
- Serve with a side of dill pickle slices, ketchup, and mustard.
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