Crispy Onion Strings – Flavor Blaze

When it comes to crispy onion strings, there’s a whole delightful world of pairings. Think about what you already love: burgers, salads, dips, and even as a crunchy snack on their own. These golden, crunchy delights can add texture and flavor to so many dishes. Picture a towering burger topped with crispy onion strings spilling over the sides. 

Or imagine sprinkling them over a creamy coleslaw, infusing every bite with crunch. They also make a fantastic addition to a warm bowl of chili, bringing a fun contrast to the stew’s rich texture. And don’t overlook them as a standalone snack or appetizer, with a side of zesty dipping sauce to kick things up a notch.

Crispy Onion Strings

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Hello, fellow food lovers! Today, let’s dive into a culinary adventure that’s crispy, crunchy, and downright addictive. I’m talking about crispy onion strings, the perfect topping for your favorite dishes or a delicious snack all on their own. They add a delightful crunch and an oniony punch that takes a meal from ordinary to extraordinary.

My journey with onion strings began inadvertently at a backyard barbecue where these delightful strands stole the show. The mere sight of them piled high next to my burger was enough to pique my interest. 

After that day, I felt compelled to perfect my own version. So, here we are—ready to make your table shine with crispy onion strings that everyone will love.

What Are Crispy Onion Strings?

Crispy onion strings are thinly sliced onions that are coated, often in a seasoned batter, and fried until golden and crunchy. Unlike thicker onion rings, these treats deliver a satisfying crunch in every bite. 

They can be served as a snack, a salad garnish, or as a burger topping. The best part? You can season them however you like, making them versatile enough to fit any flavor profile.

Why This Recipe Works?

This recipe is straightforward with flavors that sing. Each ingredient plays a vital role. Let’s break it down:

Buttermilk contributes moisture and tang, helping the coating stick while tenderizing the onions.
Spices like onion powder, garlic powder, and smoked paprika provide depth and complexity.
Frying at the right temperature is key. It ensures your onion strings become light and crisp instead of greasy.

The combination of these elements results in crispy onion strings that are not just a side note but a thoughtfully crafted part of your meal.

What You’ll Need to Make This Dish?

Gather these simple ingredients, and let’s get to frying:

2 large yellow onions, thinly sliced
Vegetable oil or canola oil, for frying
2 cups cultured buttermilk
1 ½ cups all-purpose flour
2 teaspoons onion powder
2 teaspoons granulated garlic powder
½ teaspoon freshly ground black pepper
½ teaspoon kosher salt
1 ½ teaspoons smoked paprika
½ teaspoon cayenne pepper (optional) for a touch of heat

Crispy Onion Strings Recipe

How to Make Crispy Onion Strings?

Before we dive into the details, let’s take a brief moment to appreciate how simple it is to create these tasty delights. You’ll be amazed at how easily they come together, and the end result? Pure crispy perfection.

Step 1: Slice the Onions

Start by peeling and slicing your onions into thin strands. Aim for about 1/8-inch thick; this thickness helps them fry evenly and get crispy. I often use a mandoline slicer for this task, but you can use a sharp knife.

Step 2: Soak in Buttermilk

Place the sliced onions in a mixing bowl, then cover them with buttermilk. Let them soak for at least 30 minutes. This step is essential, as it softens the onions and enhances flavor. If you’re short on time, even a 15-minute soak can make a difference.

Step 3: Prepare the Flour Mixture

In a shallow dish, combine the flour, onion powder, garlic powder, smoked paprika, black pepper, salt, and cayenne pepper. Mix it thoroughly to ensure all the spices are evenly distributed.

Step 4: Heat the Oil

In a deep, heavy pan or a deep fryer, pour in about an inch of oil and heat it to 375°F (190°C). To test if it’s hot enough, drop in a small piece of onion—if it sizzles immediately, you’re ready to fry.

Step 5: Dredge the Onions

Working in batches, remove a handful of onions from the buttermilk and allow the excess to drip off. Dredge them in the flour mixture, ensuring they are fully coated. Shake off any excess flour as you go.

Step 6: Fry

Carefully add the coated onions to the hot oil, frying in small batches to avoid overcrowding. Fry them until they are golden brown, stirring occasionally to promote even frying—this usually takes about 2–4 minutes.

Step 7: Drain and Cool

Using a slotted spoon, remove the crispy onion strings from the oil and place them on a paper towel-lined plate to drain excess oil. Sprinkle with a little salt while they’re hot for added flavor.

Tips to Make Them Perfect

Fresh Ingredients: Always use fresh onions for crispy onion strings. Their natural sweetness makes all the difference.
Right Thickness: Ensure your onion slices are uniform in thickness. This ensures they cook evenly without some burning while others are still soggy.
Heat Control: Keep an eye on your oil temperature. If it’s too hot, your onions will burn; if it’s too cool, they’ll absorb oil and lose that desired crunch.
Batch Frying: Do not overcrowd the frying pan. Fewer onions per batch means they fry evenly and become lighter.
Personal Touch: Feel free to experiment with your spice mix! Add other herbs or spices to match your taste preferences.

How to Store Leftovers?

If you have leftover crispy onion strings (which I highly doubt you will, but just in case!), allow them to cool completely. Store them in an airtight container at room temperature. They are best enjoyed fresh but can last for up to two days. Please note that storing them in the fridge can make them lose their signature crunch.

Nutrition Information

While crispy onion strings can be a delightful treat, it’s good to know the nutritional facts. Here’s a rough estimate for a serving size of crispy onion strings (approx. 1 oz):

Calories: 150
Total Fat: 8g
Saturated Fat: 1g
Carbohydrates: 18g
Fiber: 1g
Protein: 2g

How Would I Recommend Serving Crispy Onion Strings?

Here are some delicious ways to serve your crispy onion strings:

As a Burger Topping: Think of a juicy cheeseburger crowned with crunchy onion strings. They add texture and enhance the whole experience.
With a Salad: Toss them onto a fresh garden salad for that extra crunch. They bring excitement and flavor to every bite.
Dipped into Sauces: Serve as an appetizer with your favorite dips like ranch, sriracha mayo, or barbecue sauce. Enjoy the delightful contrast of crispy and creamy textures.
In a Loaded Nacho Dish: Scatter crispy onion strings over nachos along with cheese, jalapeños, and guacamole. It elevates this classic dish and adds an unexpected flavor layer.

How to Make Crispy Onion Strings

What Alternatives Can You Use for the Ingredients if Not Available?

Sometimes you find yourself in a kitchen pickle and you don’t have everything you need. Here are some handy substitutes:

Buttermilk: If you don’t have buttermilk, mix one cup of milk with a tablespoon of vinegar or lemon juice and let it sit for 5 minutes.
Flour: You can use gluten-free all-purpose flour for a gluten-free version of these crispy delights. Almond flour or chickpea flour can also add an interesting twist.
Onions: While yellow onions are the classic choice, you can try using sweet onions for a milder flavor or even red onions for a splash of color and a slightly sharper flavor.
Spices: If you’re missing some spices, feel free to improvise with what you have. Paprika can be substituted with any other type of chili powder, and garlic powder can be swapped for garlic salt (reduce the added salt in that case).

Crispy Onion Strings

Carolyn Richardson
When it comes to crispy onion strings, there's a whole delightful world of pairings. Think about what you already love: burgers, salads, dips, and even as a crunchy snack on their own.
Prep Time 7 minutes
Cook Time 3 minutes
Total Time 10 minutes
Course Appetizer
Cuisine American
Servings 4
Calories 150 kcal

Equipment

  • Slotted Spoon

Ingredients
  

  • 2 large yellow onions thinly sliced
  • Vegetable oil or canola oil for frying
  • 2 cups cultured buttermilk
  • 1 ½ cups all-purpose flour
  • 2 teaspoons onion powder
  • 2 teaspoons granulated garlic powder
  • ½ teaspoon freshly ground black pepper
  • ½ teaspoon kosher salt
  • 1 ½ teaspoons smoked paprika
  • ½ teaspoon cayenne pepper optional for a touch of heat

Instructions
 

Step 1: Slice the Onions

  • Start by peeling and slicing your onions into thin strands. Aim for about 1/8-inch thick; this thickness helps them fry evenly and get crispy. I often use a mandoline slicer for this task, but you can use a sharp knife.

Step 2: Soak in Buttermilk

  • Place the sliced onions in a mixing bowl, then cover them with buttermilk. Let them soak for at least 30 minutes. This step is essential, as it softens the onions and enhances flavor. If you’re short on time, even a 15-minute soak can make a difference.

Step 3: Prepare the Flour Mixture

  • In a shallow dish, combine the flour, onion powder, garlic powder, smoked paprika, black pepper, salt, and cayenne pepper. Mix it thoroughly to ensure all the spices are evenly distributed.

Step 4: Heat the Oil

  • In a deep, heavy pan or a deep fryer, pour in about an inch of oil and heat it to 375°F (190°C). To test if it’s hot enough, drop in a small piece of onion—if it sizzles immediately, you’re ready to fry.

Step 5: Dredge the Onions

  • Working in batches, remove a handful of onions from the buttermilk and allow the excess to drip off. Dredge them in the flour mixture, ensuring they are fully coated. Shake off any excess flour as you go.

Step 6: Fry

  • Carefully add the coated onions to the hot oil, frying in small batches to avoid overcrowding. Fry them until they are golden brown, stirring occasionally to promote even frying—this usually takes about 2–4 minutes.

Step 7: Drain and Cool

  • Using a slotted spoon, remove the crispy onion strings from the oil and place them on a paper towel-lined plate to drain excess oil. Sprinkle with a little salt while they’re hot for added flavor.

Notes

Fresh Ingredients: Always use fresh onions for crispy onion strings. Their natural sweetness makes all the difference.
Right Thickness: Ensure your onion slices are uniform in thickness. This ensures they cook evenly without some burning while others are still soggy.
Heat Control: Keep an eye on your oil temperature. If it’s too hot, your onions will burn; if it’s too cool, they’ll absorb oil and lose that desired crunch.
Batch Frying: Do not overcrowd the frying pan. Fewer onions per batch means they fry evenly and become lighter.
Personal Touch: Feel free to experiment with your spice mix! Add other herbs or spices to match your taste preferences.

Nutrition

Calories: 150kcalCarbohydrates: 18gProtein: 2gFat: 8gSaturated Fat: 1gFiber: 1g
Keyword Crispy Onion Strings
Tried this recipe?Let us know how it was!

Frequently Asked Questions

1. Can I make crispy onion strings ahead of time?

Yes! Prepare the onion strings, fry them, and let them cool. Store them loosely covered at room temperature for a few hours. If you need to make them further in advance, consider freezing them and then reheating quickly in hot oil or an oven.

2. Are crispy onion strings gluten-free?

Not as is, but you can easily make them gluten-free by using a gluten-free flour blend. Ensure every ingredient you use is certified gluten-free.

3. Can I bake crispy onion strings instead of frying?

Yes, you can bake them! Spray a baking sheet with cooking spray, arrange your coated onions in a single layer, and spray them lightly. Bake at 425°F (220°C) for 15-20 minutes, turning halfway, until they are crispy and golden.

4. Why are my onion strings not crispy?

 Several factors could affect crispiness. If the oil temperature wasn’t hot enough, the onions absorbed too much oil. Ensure you’re frying in small batches and that your oil is adequately heated.

5. What oil is best for frying crispy onion strings?

 Vegetable oil and canola oil are typically the best due to their high smoking point and neutral flavor. Peanut oil is another great option if you’re looking for something with a bit more flavor.

6. Can I add other ingredients to my crispy onion strings?

 Absolutely! You can add other seasonings like Parmesan cheese, herbs like thyme or rosemary, or even cayenne for heat if you desire more complex flavors.

Conclusion

Crispy onion strings are an easy, fun way to enhance many dishes. Their crunchy texture and savory flavor can transform ordinary meals into extraordinary experiences. Whether you’re serving them over burgers, tossing them into salads, or enjoying them as a snack, they’re bound to be a crowd-pleaser.

Now, picture the smiles on faces as they taste this crispy goodness. You hold the key to creating something truly delightful. So roll up your sleeves and get frying!

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author

Carolyn Richardson

Carolyn Richardson, a Minnesota-based registered dietitian, and food enthusiast, shares her love for cooking through Flavor Blaze. Passionate about creating wholesome, flavorful dishes, she inspires others to explore the joy of cooking at home. Carolyn’s recipes reflect her belief that great meals bring people together.

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