Crispy Gluten-Free Onion Rings Recipe

A close up of gluten free onion rings topped with parsley on a parchment lined baking sheet with ketchup peaking in.

If you follow a gluten-free diet, especially because of celiac disease, onion rings are often one of those restaurant favorites that become difficult to enjoy safely. Traditional onion rings are usually made with all-purpose flour, and many restaurants fry them in shared fryers with gluten-containing foods. This homemade gluten-free onion rings recipe gives you the crispy, golden appetizer you have been missing, without wheat flour or a heavy batter.

These gluten-free onion rings are coated in a light batter made with gluten-free flour, cornstarch, baking powder, spices, and club soda. The club soda helps create an airy texture, while the cornstarch helps the batter cling to the onion slices. The result is a crunchy exterior with a tender, sweet onion center.

The batter is seasoned simply with paprika, garlic powder, and salt, so the flavor is savory without overpowering the onions. Vidalia onions are a wonderful choice because they are mild and naturally sweet, but yellow onions also work well if that is what you have available.

This recipe is easy to follow and includes step-by-step guidance so you can fry gluten-free onion rings at home with confidence. Keep the oil temperature steady, work in small batches, and serve the onion rings right away for the best texture.

You’ll love this recipe because:

They are crisp and flavorful. The gluten-free batter fries up golden and crunchy while keeping the onion inside soft and tender.
They are gluten-free. This recipe uses a gluten-free flour blend instead of wheat flour, making it a great option for anyone avoiding gluten.
They are dairy-free and vegan. Many onion ring batters use eggs, milk, or buttermilk, but this version uses club soda for a light, crisp coating.
They are perfect for appetizers or sides. Serve them with burgers, sandwiches, hot dogs, or your favorite dipping sauces.

Ingredients

Ingredient Notes

Vegetable oil, canola oil, or peanut oil – Use a high-heat oil suitable for frying. Make sure the oil is clean and fresh, especially if you need the onion rings to be gluten-free. You will need enough oil to submerge the onion rings while frying.
Vidalia onions – Sweet onions are ideal for onion rings because they have a mild flavor and soft texture when cooked. Vidalia onions are a favorite, but yellow onions can also be used.
Gluten-free flour blend – A 1-to-1 gluten-free flour blend works well for this recipe. It thickens the batter and helps create a coating similar to classic onion rings.
Baking powder – Baking powder helps the batter become lighter and crispier. Make sure it is fresh for the best results.
Paprika, salt, and garlic powder – These simple seasonings add flavor to the batter. You can adjust the seasoning to your taste.
Club soda – Club soda adds bubbles to the batter, helping it fry up crisp and airy. It is a great alternative to beer in onion ring batter.
Cornstarch – Dusting the onion rings in cornstarch before dipping them in batter helps the coating stick. If you cannot use corn, arrowroot starch may be used instead.

Slice the onions evenly and avoid cutting them too thick. Slices about ⅓-inch wide cook evenly, giving you a crisp coating and a tender onion center at the same time.

Step-by-Step Instructions

Making gluten-free onion rings at home is simple when you keep the process organized. Prepare the onions, mix the batter, heat the oil to the correct temperature, and fry in small batches. The photos below show each stage so you can see how the batter should look and how golden the onion rings should be before serving.

For exact measurements and full recipe details, see the recipe card below.

A large white dutch oven with oil in it. — Add the oil to a deep Dutch oven or heavy pot with tall sides. Heat it to 365F.

A glass mixing bowl with gluten-free flour blend, garlic powder, paprika and salt before mixing together. — While the oil heats, whisk together the gluten-free flour, baking powder, paprika, salt, and garlic powder in a large bowl.

A glass mixing bowl with a gluten-free flour blend topped with club soda that has began to bubble up. — Pour the club soda into the dry ingredients. The mixture will bubble as it combines.

A glass mixing bowl with gluten-free batter and a whisk. — Whisk until the batter is smooth and no dry pockets remain.

A cornstarch dipped onion ring on a fork over a bowl of additional cornstarch. — Coat the onion rings lightly in cornstarch and tap off the excess.

An onion ring dipped in gluten-free batter with a fork. — Dip the cornstarch-coated onion rings into the gluten-free batter, then lift them out carefully with a fork or tongs.

A wire spider spatula removing a gluten free onion ring from a pot of hot oil. — Fry 3 to 4 onion rings at a time at 365F for 1 to 2 minutes per side, until golden and crisp.

A parchment lined baking sheet of gluten free onion rings with ramekeins of ketchup and ranch with additional plates of onion rings in the background. — Drain on paper towels, then serve hot with ketchup, ranch, barbecue sauce, mayo, or another favorite dip.

Recipe FAQs

Are onion rings gluten-free?

Most onion rings are not gluten-free because the batter usually contains all-purpose flour and sometimes beer. Restaurant onion rings may also be fried in shared oil. This recipe is designed to be gluten-free by using a gluten-free flour blend and club soda.

How do you get batter to stick to onion rings?

Dusting the onion rings in cornstarch before dipping them in batter helps the coating adhere. It is also important to keep the oil hot enough, around 365F to 370F, so the batter sets quickly instead of sliding off.

What type of onion is best for onion rings?

Vidalia onions are a great choice because they are sweet and mild. Yellow onions or white onions can also be used, though they may have a stronger flavor.

Hints & Tips

Choose onions that are firm and fresh. Sweet onions work especially well for a mild flavor.
Do not overcrowd the pot. Frying too many onion rings at once lowers the oil temperature and can make the coating greasy or soggy.
Drain the onion rings on paper towels or a wire rack after frying to remove excess oil.
Season the onion rings with a little extra salt while they are still warm for the best flavor.
Serve immediately for the crispiest texture. If needed, keep finished onion rings warm in a 200F oven while the rest fry.

Storage Instructions

Storage: Onion rings are best served fresh, but leftovers can be stored in an airtight container in the refrigerator for 2 to 3 days.
Freezer Option: Freeze leftover onion rings in a single layer on a parchment-lined baking sheet until firm, then transfer them to a freezer-safe bag or container for up to 2 months.
Reheat: Reheat onion rings in an oven or air fryer at 400F until hot and crisp. Avoid the microwave, as it will make the coating soft and soggy.

Gluten-free onion rings on a parchment lined baking sheet with a ramekin of ranch and a ramekin of ketchup.

Did you make this recipe?

I’d love to hear how it turned out. Please rate the recipe and leave a comment below.

Gluten-Free Onion Rings

These gluten-free onion rings are crunchy on the outside and tender on the inside. The batter is made with gluten-free flour, cornstarch, baking powder, seasonings, and club soda for a light, crisp coating. Serve them hot with ketchup, ranch, barbecue sauce, mayo, or your favorite dipping sauce.

Prep Time 15 minutes

Cook Time 20 minutes

Total Time 35 minutes

Servings 8 servings

Ingredients

2 quarts vegetable oil, canola oil, or peanut oil
2 large Vidalia or yellow onions – sliced and separated into rings
1 cup gluten-free flour blend – 144g
2 teaspoons baking powder
1/2 teaspoon paprika
1/2 teaspoon salt
1/2 teaspoon garlic powder
1 cup club soda
1/3 cup cornstarch – 43g

Instructions

Pour the oil into a medium or large heavy pot. Attach a candy thermometer to the side so the tip rests in the oil. Heat over medium until the oil reaches 365F.
Slice the onions into ⅓-inch rounds and separate them into individual rings.
In a large bowl, whisk together the gluten-free flour blend, baking powder, paprika, salt, and garlic powder.
Add the club soda and whisk until a smooth batter forms.
Place the cornstarch in a separate bowl. Coat the onion rings in cornstarch and shake off any excess.
Dip 3 to 4 onion rings into the batter at a time. Lift them out with a fork, tongs, slotted spoon, or mesh sieve, letting extra batter drip off.
Carefully add the battered onion rings to the hot oil in small batches.
Fry for 1 to 2 minutes per side, or until golden brown and crisp.
Remove with a mesh spatula or slotted spoon and transfer to paper towels to drain. Repeat with the remaining onion rings.
Serve immediately with ketchup, ranch, mayo, barbecue sauce, or another dipping sauce.

Notes

Nutritional information is an estimate and should be used as a guide. Oil absorption can vary.
Fry the onion rings in batches to keep the oil temperature steady and the coating crisp.
If you have celiac disease or need a strict gluten-free recipe, confirm that every ingredient is gluten-free and use clean oil that has not been used for gluten-containing foods.
This recipe uses 2 large Vidalia onions and yields about 40 onion rings.

Nutrition