There’s something irresistible about a big plate of freshly fried onion rings. These homemade onion rings are golden and wonderfully crunchy on the outside while the onion inside turns tender and sweet. Served with a creamy dipping sauce, they make the perfect appetizer, snack, or side dish for burgers and sandwiches.
The coating is light, crisp, and flavorful, with just the right amount of seasoning. The best part is that you can make them at home with simple pantry ingredients and enjoy them hot and fresh.
Why You’ll Love These Crispy Onion Rings
- Extra crispy: A seasoned flour coating creates a crunchy exterior that stays beautifully golden.
- Tender onions: The onions become soft and slightly sweet inside the crispy coating.
- Simple ingredients: You only need a handful of everyday ingredients.
- Perfect for dipping: Serve them with ranch, spicy mayo, ketchup, or your favorite dipping sauce.
- Great for any occasion: They’re perfect for game day, cookouts, family dinners, or casual snacking.
What Kind of Onions Are Best?
Large yellow onions are my favorite for onion rings because they have a nice balance of sweetness and savory flavor. Sweet onions such as Vidalia also work wonderfully if you prefer a milder, sweeter taste.
Choose large onions so you can cut them into generous rings that are easy to coat and fry.
How to Get Extra Crispy Onion Rings
The key is making sure the onion rings are dry before coating them and keeping the frying oil at the right temperature. If the oil is too cool, the coating can absorb too much oil and become greasy. If it is too hot, the outside can brown before the onion has a chance to soften.
For the crispiest texture, fry the rings in small batches and avoid overcrowding the pan.
Ingredients You’ll Need
- 2 large yellow or sweet onions
- 1 1/2 cups all-purpose flour
- 1/2 cup cornstarch
- 1 teaspoon baking powder
- 1 teaspoon paprika
- 1 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/2 teaspoon salt
- 1/2 teaspoon black pepper
- 1 large egg
- 1 1/2 cups cold buttermilk
- 1 cup plain breadcrumbs or panko breadcrumbs
- Vegetable or canola oil, for frying
How to Make Crispy Onion Rings
1. Slice the Onions
Peel the onions and slice them crosswise into rings about 1/2-inch thick. Carefully separate the slices into individual rings, saving the smaller inner pieces for another recipe if desired.
2. Prepare the Seasoned Flour
In a large bowl, whisk together the flour, cornstarch, baking powder, paprika, garlic powder, onion powder, salt, and black pepper.
The cornstarch helps create a lighter, crunchier coating, while the seasonings give the onion rings plenty of flavor.
3. Make the Wet Mixture
In a second bowl, whisk the egg and cold buttermilk until smooth.
4. Coat the Onion Rings
Dip each onion ring into the seasoned flour, making sure it is lightly coated all over. Shake off any excess flour, then dip it into the buttermilk mixture.
Return the ring to the flour mixture and coat it generously. For an even crunchier crust, press the coating gently onto the onion.
5. Add the Breadcrumb Coating
For extra texture, lightly press each coated onion ring into the breadcrumbs or panko. Make sure the crumbs cover the surface without creating an excessively thick layer.
6. Heat the Oil
Pour about 2 inches of oil into a deep, heavy-bottomed skillet or pot. Heat the oil to approximately 350°F.
If you don’t have a thermometer, drop a tiny bit of batter into the oil. It should immediately sizzle and rise to the surface without burning quickly.
7. Fry Until Golden
Carefully lower a few onion rings into the hot oil. Fry for about 2 to 3 minutes per side, turning gently with tongs, until the coating is deeply golden and crisp.
Do not overcrowd the pan because adding too many rings at once can lower the oil temperature.
8. Drain and Serve
Transfer the cooked onion rings to a wire rack or a plate lined with paper towels. Sprinkle lightly with additional salt while they are still hot.
Serve immediately with your favorite dipping sauce for the best crunch.
Best Dipping Sauces for Onion Rings
These crispy onion rings are delicious with almost any creamy or tangy sauce. Try ranch dressing, ketchup, barbecue sauce, honey mustard, garlic aioli, or a simple spicy mayo made with mayonnaise and hot sauce.
Tips for Perfect Onion Rings
- Keep the buttermilk cold: A cold wet coating helps create a crispier crust when it hits the hot oil.
- Don’t skip the cornstarch: It helps make the coating lighter and crunchier.
- Use a thermometer: Keeping the oil around 350°F gives you more consistent results.
- Fry in batches: Crowding the pan can make the onion rings greasy.
- Use a wire rack: Letting the rings drain on a rack helps keep the bottoms crisp instead of soggy.
- Serve immediately: Onion rings are at their absolute best while they’re hot and freshly fried.
Can I Make Onion Rings Ahead of Time?
You can slice the onions and prepare the coating mixtures ahead of time, but for the best texture, fry the onion rings just before serving. Freshly fried onion rings have the crispest exterior.
Can I Reheat Onion Rings?
Yes. For the best results, reheat them in an air fryer or oven rather than the microwave. Heat them at 375°F until hot and crisp again, usually about 5 to 8 minutes depending on their size.
Can I Use Panko Breadcrumbs?
Absolutely. Panko creates a particularly crunchy, textured crust. Regular breadcrumbs will give you a slightly finer coating, while panko produces a more rugged crunch.
Frequently Asked Questions
Why are my onion rings not crispy?
The most common reasons are oil that isn’t hot enough, overcrowding the pan, or a coating that is too wet. Keep the oil around 350°F and fry the onion rings in small batches for the crispiest results.
How thick should I cut the onions?
A thickness of about 1/2 inch works well. Very thin slices can become too soft during frying, while extremely thick rings may not cook evenly.
Can I use milk instead of buttermilk?
Yes. Regular milk can work, although buttermilk adds a slight tang and helps create a flavorful coating. You can also make a quick substitute by mixing milk with a little lemon juice or vinegar and letting it sit for several minutes.
What oil is best for frying onion rings?
Neutral oils with a high smoke point, such as vegetable, canola, or peanut oil, are good choices for frying onion rings.
Can I make these onion rings in an air fryer?
Yes. Spray the coated onion rings generously with cooking spray and arrange them in a single layer. Air fry at about 400°F until golden and crisp, turning halfway through. Cooking time will vary depending on the air fryer and thickness of the rings.
Extra Crispy Homemade Onion Rings
Prep Time: 20 minutes
Cook Time: 15 minutes
Total Time: 35 minutes
Servings: 4
Ingredients
- 2 large yellow or sweet onions
- 1 1/2 cups all-purpose flour
- 1/2 cup cornstarch
- 1 teaspoon baking powder
- 1 teaspoon paprika
- 1 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/2 teaspoon salt
- 1/2 teaspoon black pepper
- 1 large egg
- 1 1/2 cups cold buttermilk
- 1 cup plain or panko breadcrumbs
- Vegetable or canola oil, for frying
Instructions
- Peel the onions and slice them crosswise into approximately 1/2-inch-thick rings. Separate the rings carefully.
- In a large bowl, combine the flour, cornstarch, baking powder, paprika, garlic powder, onion powder, salt, and black pepper.
- In another bowl, whisk together the egg and cold buttermilk.
- Dip each onion ring into the seasoned flour, then into the buttermilk mixture, and back into the flour. Coat thoroughly.
- Press the coated onion rings lightly into the breadcrumbs or panko for an extra-crispy crust.
- Heat about 2 inches of oil in a deep skillet or pot to 350°F.
- Fry the onion rings in small batches for about 2 to 3 minutes per side, turning carefully, until golden brown and crisp.
- Transfer the cooked onion rings to a wire rack or paper towel-lined plate to drain.
- Season lightly with additional salt while hot.
- Serve immediately with ranch, spicy mayo, ketchup, barbecue sauce, or your favorite dipping sauce.
Notes
For the crunchiest onion rings, keep the oil temperature close to 350°F and avoid overcrowding the pan. Panko breadcrumbs can be used for an extra-crunchy coating. Leftovers can be reheated in an air fryer or 375°F oven until hot and crisp.