Juicy Delicious French Onion Soup Recipe Beef Sliders Recipe (2024)

by Melissa

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This Beef Sliders Recipe is a must if you are a fan of the classic French Onion Soup Recipe. The flavors combine in these beef sliders with a delicious crusty bread, caramelized onions, gooey melted provolone cheese, and an au jus that is to die for!

Juicy Delicious French Onion Soup Recipe Beef Sliders Recipe (1)

French Onion Soup Beef Sliders Recipe

One of my favorite winter comfort foods is soup. I learned how to make my first french onion soup recipe years ago using a recipe I found from a magazine (which I have since misplaced, so sad!). It took me a few times and putting my memory to the test to recreate it. The soup was so delicious it inspired me to make these beef sliders.

We had a few friends over to watch football and these burgers blew them away. They liked that they were a step up from the traditional "game day" food of buffalo chicken or potato skins. After explaining how easy they were to make it was an even bigger shock!

Do You Actually Make French Onion Soup for These Sliders?

In a nutshell, yes. Your au jus is truly just the base of any good soup, but the onions themselves are caramelized and top the beef rather than remaining in the soup.

What's the Best Bread to Serve These On?

A classic French onion soup recipe will be served with a crouton on top or at least a slice of crusty bread on the side. For these beef sliders, it was a must to duplicate that texture.

I chose to cute a loaf of French bread into pieces and toast them up nicely before building my sliders. You can easily use any bread you prefer for this including classic slider buns.

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How to Make French Onion Soup Beef Sliders Recipe

Printable Recipe Card Below

Note* I made my own beef stock which is why you see carrots and onions in the liquid. You can skip this step and just use a store bought broth.

  • Add broth and seasonings to a sauce pan. Heat to boil, reduce to simmer. Let simmer while preparing burgers and caramelizing onions.
  • Slice onions, start slowly cooking them down in a skillet with butter. Stir often. Heat should be on medium low. Onions should be "sweating" (slowly releasing their moisture) not sauteing (sizzling and gaining a quick brown color). Caramelizing occurs when the moisture cooks out and sugars are slowly thickening.
  • Combine all burger ingredients in a bowl, mix well. Hand shape patties into a size that best fits your bread.
  • Bake or grill burger patties to desired temperature (I usually cook to medium)
  • Slice bread, we used a baguette. It holds up the Au Jus dip and has a soft center with crunchy edges!

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Assemble your sliders:

  • Butter a sheet pan
  • Place bottom bread slices on the sheet pan
  • Top with provolone cheese, burger patty, caramelized onions and more cheese
  • Add the top bread slice and a skewer to hold in place
  • Bake until cheese is melted
  • Serve with Au Jus on the side

Juicy Delicious French Onion Soup Recipe Beef Sliders Recipe (4)

Now dip those sliders in Au Jus and enjoy!

TIP* to turn this into a hearty meal simply simmer the cooked beef patties in the Au Jus with the caramelized onions and serve over creamy mashed potatoes!

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PIN FOR LATER!

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More about the origin of the classic French Onion Soup Recipe here from Culture Trip.

More Burgers & Sliders Recipes

  • For another spin on a classic, try out this sloppy joes recipe burgers stuffed with cheese. So good and super easy.
  • More open faced than full sandwich, this recipe for Phillly steak and cheese crostini is just as delicious as if it had two pieces of bread.
  • If you are avoiding carbs but still want that burger, make these burger bowls instead! All of the flavor with none of the carbs!
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Yield: 10 sliders

Prep Time: 10 minutes

Cook Time: 20 minutes

Total Time: 30 minutes

If you are a fan of the classic French Onion Soup Recipe then you absolutely have to try these beef sliders. Slow caramelized onions, gooey melted provolone cheese and an amazing Au Jus to dip them in! Come see how easy they are to make.

Ingredients

  • Beef Patties:
  • 1 lb ground beef
  • ¼ cup Italian bread crumbs
  • 1 egg
  • 1 teaspoon onion powder
  • 1 teaspoon garlic powder
  • ½ teaspoon dried thyme
  • pinch salt & pepper
  • Caramelized Onions:
  • 2 vidalia onions, thin sliced
  • 3 tablespoons butter
  • Au Jus:
  • 12 oz beef broth
  • 1 teaspoon dried thyme
  • 1 teaspoon onion powder
  • 1 teaspoon pepper
  • Bread:
  • 1 Baguette
  • 6 slices of provolone, cut in ¼'s

Instructions

  1. Preheat the oven to 400
  2. Add Au Jus ingredients to a sauce pot, bring to boil and reduce to simmer.
  3. In a large skillet start butter melting over medium low heat. Add onion slices, stir often. Continue sweating onions until brown and caramelized.
  4. Combine all patty ingredients in a bowl , mix well. Shape into patties the slice of your bread.
  5. Place on sheet pan and bake until desired temperature is reached (we cooked to medium) about 10 minutes for 3" , 1" thick patties.
  6. Assemble sliders by building bread, cheese, patty, onions, cheese, bread.
  7. Place back on sheet pan and bake until cheese is melted, about 5 minutes.
  8. Serve with Au Jus for dipping
Nutrition Information:

Yield: 10
Amount Per Serving:Calories: 300

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Melissa

Owner & Lead Recipe Developer for It's Simple! since 2015, where you will find our best Family Favorites & Keto Low Carb Dishes with Helpful Cooking Tips & Hints in each post. Many Thanks for Stopping By, Enjoy!

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Juicy Delicious French Onion Soup Recipe Beef Sliders Recipe (2024)

FAQs

How do you deepen the flavor of French onion soup? ›

Olive oil – Add this when carmelizing the onions. Fresh thyme – This infuses the broth with fresh herby flavor and is scooped out just before the bread and cheese are added. Dry white wine – I use sauvignon blanc to deglaze the pan. Brandy – This enhances the other flavors.

What to add to bland French onion soup? ›

If you're craving a slightly herby taste to contrast the sweetness of the caramelized onions, you may want to toss a few bay leaves into the mix as you begin cooking your soup. As the soup simmers on the stovetop, the broth will absorb the flavors of the leaves, creating a little more dimension in the dish.

Why is my French onion soup watery? ›

Sometimes soup just needs to simmer longer to reach the perfect consistency. Check to see if the vegetables are tender, and then taste the broth. If the soup tastes a bit watery, give it more time.

Does French onion soup contain beef broth? ›

This soup traditionally is made with beef stock, though sometimes a good beef stock can be hard to come by and expensive to make. If you use boxed stock, taste it first! If you don't like the taste, don't use it. (If you cook a lot of beef or beef roasts, save the scraps and freeze them to make a stock with later.)

How do I increase the depth of flavor in soup? ›

Perk up a Bland Soup With Simple Pantry Staples

Add a splash of vinegar (any kind!), or a squeeze of citrus. Chances are, you could use a little more salt. Go ahead—it's ok. Salt perks up flat flavors and helps balance out bitter-tasting ingredients.

How do you make soup taste rich? ›

Foods that have a great deal of acidity, like lemon juice, vinegar, white wine, and tomato puree, can help liven up the flavor of bland-tasting bone and other broths. "The acidity of these ingredients works to complement and enhance the broth's flavors, not mask it.

How to doctor up canned French onion soup? ›

Infusing the soup with a richer taste is as easy as quickly sauteing crushed garlic before pouring the soup in. Some soft, buttery garlic sauteed in earthy olive oil is the perfect addition to enrich canned French onion soup.

Why does my French onion soup taste weird? ›

Lack of seasoning: Seasoning is crucial in any dish, and French onion soup is no exception. If you don't add enough salt, pepper, or other herbs and spices, the soup may taste bland. Weak broth: The quality and intensity of the beef broth used in the soup can greatly impact its flavor.

How do you get the bitterness out of onion soup? ›

Soaking the onions in cold water for 10 minutes before cooking can help to reduce the unpleasant taste and smell. Additionally, adding a pinch of sugar to the cooking onions can also help to reduce their pungent flavor.

Why do I get diarrhea after French onion soup? ›

Consuming French Onion Soup, which is traditionally topped with cheese, can result in symptoms like stomach cramps, diarrhea, and nausea in these individuals. Furthermore, individuals with onion intolerance may experience digestive discomfort after consuming French Onion Soup due to the high onion content.

Why do you put baking soda in French onion soup? ›

One technique I wanted to test was using baking soda to speed up browning reactions, which works by raising the pH—foods brown more quickly in alkaline environments.

What if I put too much vinegar in my French onion soup? ›

One option is to balance the acidity by adding a sweet ingredient such as sugar, honey, or maple syrup. Another method is to dilute the soup by adding more broth or water. You can also try adding creamy ingredients like coconut milk or dairy products to help mellow out the vinegar flavor.

What is the difference between onion soup and French onion soup? ›

What is the Difference Between Onion Soup and French Onion Soup? French onion soup is always made with beef stock. Other onion soups can be made with chicken, vegetable, or beef stock. Additionally, French onion soup typically contains wine or sherry, which isn't typical or necessary in other onion soups.

What is the difference between beef broth and beef stock for soup? ›

Although both stock and broth involve simmering in water, broth uses meat while stock uses bones. As a result, broth contains very little protein, a key ingredient in building flavor.

What is the best wine to use in French onion soup? ›

Wine is optional to deglaze the pan and add flavour to the soup. I recommend a dry white or red wine, such as a good quality Pinot Grigio/Gris, Sauv Blanc, Sémillon, Chardonnay, Merlot or Pinot Noir. Generally, if you can't drink it, don't cook with it.

Why do you add flour to French onion soup? ›

Onion soup, at its very essence, is nothing more than onions and water boiled together. Period, done, finished, everything added from that point on is pure opinion. Caramelizing the onions brings out sugars, and makes a more luxurious silky and sweet soup, adding flour gently thickens and provides body.

How do you fix the taste of onion in soup? ›

Adding a touch of acidity, such as lemon juice or a splash of vinegar, can help cut through the richness of the onions. Additionally, adding sweeter ingredients like carrots, bell peppers, or even a pinch of sugar can help counterbalance the strong taste.

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