Crispy Fried Onions

Crispy fried onion strings are an irresistible topping that can transform any dish. Whether you prefer the classic deep-fried method or a healthier air fryer approach, mastering this homemade copycat French’s recipe is surprisingly simple. These golden, crunchy delights are perfect for enhancing your favorite casseroles, like a hearty Ground Beef Casserole with Potatoes, or adding a gourmet touch to burgers and other savory meals.

A bowl of freshly made crispy fried onions, golden brown and perfectly crunchy.

For many, the mention of crispy fried onions evokes memories of holiday feasts and comforting casseroles. While canned versions from brands like French’s have long been a staple, the unparalleled flavor and texture of homemade fried onions are a revelation. This year, move beyond the can and discover how incredibly easy and satisfying it is to make your own from scratch. The result is a fresher, more flavorful, and undeniably superior topping that will elevate all your culinary creations.

Mastering the Copycat French’s Crispy Fried Onions Recipe

Imagine enjoying those delectable crispy onions found atop gourmet hamburgers at your favorite restaurant, now easily achievable right in your own kitchen! This recipe brings that restaurant-quality crunch to your barbecue, weeknight dinners, and special gatherings. Unlike simple air fryer frozen onion rings, these homemade strings offer a unique, delicate crispness that perfectly complements a wide array of dishes.

Choosing the Best Onions for Frying

The foundation of any great fried onion string recipe begins with the right onion. A visit to your grocery store’s produce section reveals a variety of choices: white, yellow, sweet (like Vidalia), and red onions. For this savory recipe, yellow onions are often the top choice. They strike a wonderful balance of sharp, pungent flavor with a hint of sweetness that caramelizes beautifully when fried. I typically opt for yellow onions, not just for their excellent flavor profile but also because they are a common kitchen staple, making them a convenient and reliable option for both this recipe and other dishes like air fryer onions.

A selection of fresh yellow and white onions on a wooden cutting board.

While a can of French’s fried onions might be a quick solution for topping your pressure cooker liver and onions, I highly encourage you to try this homemade version. The difference in taste, texture, and freshness is truly remarkable. Once you experience the superior quality of freshly fried onions, you might never go back to canned!

Close-up of golden brown, crispy fried onion strings in a bowl, ready to serve.

Crafting the Perfect Crispy Onion Straw Batter

The key to those addictively crispy onion strings lies in a simple yet effective batter. Instead of a thick, heavy coating, we aim for a light breading that adheres perfectly to the thinly sliced onions. Here’s a breakdown of the essential components:

  • All-Purpose Flour: This forms the primary breading, creating a delicate, crispy shell when fried. While I haven’t experimented extensively with other flours for this particular recipe, a 1:1 gluten-free variety like Bob’s Red Mill should work well if you need a gluten-free option.
  • Buttermilk: Buttermilk is crucial for achieving that desirable cling. Its slight acidity not only tenderizes the onion but also helps the flour mixture adhere beautifully, contributing to a richer flavor. If buttermilk isn’t available, whole milk can be used, though the coating may not be quite as robust due to its lower fat content.
  • Salt and Pepper: These basic seasonings are fundamental for enhancing the savory flavor of the onions. Feel free to customize with other spices you enjoy, such as a touch of garlic powder, paprika, or even a pinch of cayenne for a subtle kick.

Beyond the batter, the star ingredient, of course, is the onion itself. You’ll want a few large white or yellow onions, ideally sliced as thin as possible. A steady hand and a sharp knife can achieve this, but for consistent thickness and safety, a mandoline slicer is highly recommended. Uniform slices ensure even cooking and maximum crispiness.

Exploring Flavor Variations and Serving Ideas

The type of onion you choose is entirely up to your personal preference. White onions offer a sharper, more pungent flavor, while yellow onions provide a more balanced profile that’s both savory and slightly sweet. Experiment with both to discover your favorite! These fried onions are meant to be savory, providing a delightful contrast to sweeter preparations like our caramelized onions recipe.

Let’s delve into the traditional deep-frying method first. The ingredients are minimal and inexpensive, making this a budget-friendly treat. Whether you plan to enjoy them as a standalone sinful snack or as the crowning glory on your ultimate green bean casserole, homemade always tastes best.

Close-up of crispy, golden onion rings, some in a bowl, others scattered on a serving tray.
Freshly sliced onions soaking in ice water, a crucial step for extra crispiness.

Essential Tips for Perfectly Crispy Fried Onions

Achieving perfectly crispy fried onions is a straightforward process with a few key techniques:

  • Start with Large Onions: Larger onions yield more uniform, longer slices, which fry up beautifully.
  • Slice Thinly and Evenly: The thinner your onion slices (ideally 1/8th inch or less), the crispier they will become, and the faster they will cook. If you’re using them as a topping, smaller, bite-sized pieces are generally preferred. For snacking on their own, you might opt for slightly thicker slices, more akin to traditional homemade onion rings.
  • The Assembly Line Method: For efficient coating, set up an assembly line: first, a bowl of seasoned flour, then a bowl of buttermilk (or milk), and finally, a second bowl of seasoned flour. Ensure each onion piece is thoroughly coated at each stage for the best results. You can even prepare a batch of coated onions on a baking sheet before frying.
  • Don’t Overcrowd the Pan: Fry in small batches to maintain optimal oil temperature. Overcrowding will lower the oil temperature, leading to greasy, soggy onions rather than crisp ones.
  • Drain Properly: Always remove fried onions to a plate lined with paper towels to absorb excess oil. This is crucial for maintaining crispiness.

Air Fryer Crispy Onions: A Healthier Alternative

While deep-frying delivers the ultimate crisp, you can certainly achieve a delicious, healthier version using an air fryer. The texture may be slightly different—less greasy but still wonderfully crunchy. Here’s how to do it:

  1. Preheat Your Air Fryer: Begin by preheating your air fryer (or Ninja Foodi) to 360°F (180°C).
  2. Prepare Your Breading: For air frying, a slightly different coating method works best. First, dip your thinly sliced onion rings into a shallow bowl of seasoned flour. Next, transfer them to a bowl with a whisked egg (this helps the next layer stick), and finally, coat them generously with breadcrumbs.
  3. Arrange in a Single Layer: Place the breaded onion slices in your air fryer basket in a single layer. Avoid overcrowding to ensure even cooking and crisping.
  4. Lightly Spray with Oil: Lightly spray the onions with olive oil spray. This helps achieve that desirable golden-brown color and crisp texture.
  5. Air Fry: Air fry for approximately 6 minutes, flipping them halfway through, until they are golden brown and crispy.
  6. Repeat: Remove the cooked onions and continue with the remaining batches until all your onions are fried.
A beautifully arranged bowl of crispy fried onion strings, garnished with fresh parsley.
A bowl of crispy fried onion rings garnished with fresh parsley.




5 from 2 votes

Crispy Fried Onions Recipe

By Justine
These homemade crispy fried onions are far superior to canned! Enjoy them deep-fried for classic crunch or air-fried for a healthier twist.
Prep: 15 minutes
Cook: 8 minutes
Servings: 8
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Equipment

  • 1 cast iron skillet
  • 2 shallow bowls

Ingredients

  • 1 large onion, thinly sliced
  • 1/2 cup all purpose flour
  • 1/4 tsp pepper
  • 1/2 cup buttermilk, or whole milk
  • 1 cup vegetable oil, for frying

Instructions

  • Line a large plate with paper towels and set aside. Pour oil into a cast iron pot or a medium frying pan and heat to 375°F (190°C). If using a cast iron pot, you can preheat it in the oven; otherwise, heat the oil over medium heat on the stovetop. It’s ready when a drop of batter sizzles immediately.
  • Peel and trim the top and bottom from the onion. Using a sharp knife or mandoline, thinly slice the onion into 1/8th-inch rounds. In one shallow bowl, mix the salt and pepper into the flour until well combined. Pour the buttermilk (or whole milk) into a second shallow bowl.
  • Dip the onion slices into the milk, ensuring they are completely covered. Then, dredge them thoroughly in the seasoned flour, making sure each piece is fully coated. Repeat for all onion slices.
  • Carefully place a single layer of coated onion slices into the hot oil. Fry until they are golden brown and crispy on both sides, typically about 2 to 3 minutes per side. Avoid overcrowding the pan.
  • Remove the fried onion slices with a slotted spoon and transfer them to the paper towel-lined plate to drain excess oil. Allow them to cool slightly before serving. If making copycat French’s fried onions for topping dishes like green bean casserole, chop them into smaller pieces. Leftovers can be stored in an airtight container in the refrigerator.

Video

Nutrition

Serving: 2oz,
Calories: 291kcal,
Carbohydrates: 8g,
Protein: 1g,
Fat: 29g,
Saturated Fat: 2g,
Cholesterol: 2mg,
Sodium: 16mg,
Potassium: 49mg,
Fiber: 1g,
Sugar: 1g,
Vitamin A: 25IU,
Vitamin C: 1mg,
Calcium: 20mg,
Iron: 0.4mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Appetizer, Side Dish, Snack
Cuisine: American
Tried this recipe?Mention @thetypical_mom or tag #thetypicalmom!

Reheating Fried Onions: Keeping Them Crispy

Leftover fried onions can still be enjoyed with their delightful crispness intact. The key is to avoid methods that add moisture or make them soggy. The air fryer is your best friend for reheating:

  1. Preheat your air fryer to 400°F (200°C).
  2. Arrange the fried onions in a single layer in the air fryer basket. Do not overcrowd.
  3. Air fry for approximately 1 minute per side, or until they are heated through and regain their original crispiness.
  4. Enjoy them once again!

The Secret to Extra Crispiness: Soaking Onions in Ice Water

For an even crispier result and to mellow out the onions’ pungent flavor, consider soaking your raw, thinly sliced onions in a bowl of ice water. This technique helps to firm up the onion’s cell structure, leading to a more pronounced crunch once fried. Simply soak the slices for about an hour, then drain the liquid thoroughly and pat them completely dry with paper towels before proceeding with the battering process. This step is particularly beneficial if you are sensitive to the strong flavor of raw onions, as it helps to reduce their intensity.

Once your onions are prepared and your batter is ready, it’s time to heat the oil. Whether you’re using a cast iron skillet or a deep fryer, ensure your oil reaches the optimal temperature of 375°F (190°C) before adding any onions. A simple test is to drop a tiny bit of batter into the hot oil; if it immediately bubbles and floats to the surface, your oil is ready. Serve these golden, crispy delights hot on top of dishes like our Roast with Onions, or any other dish that could use a burst of savory crunch.