Crispy Thick Onion Rings with Garlic Herb Aioli

Stop scrolling—these thick onion rings are golden, mouthwatering, and bursting with flavor. Each ring is cut from sweet onions, coated in a spiced batter and coarse panko, then fried until blistered and deeply crunchy. Dunk them in garlic herb aioli for the ultimate crispy, savory snack.

There’s something irresistible about a thick onion ring with a shattering crust and a sweet, tender center. This recipe delivers exactly that: sweet onions sliced into thick rings, soaked to mellow their bite, then coated in a seasoned batter and panko breadcrumbs.

Deep-fried at 375°F, they turn deeply golden and impossibly crisp. Serve them as an appetizer, a side, or a game-day snack—they’re always the first to disappear.

Ingredients

Why this recipe works

The combination of a wet batter and coarse panko breadcrumbs creates a thick, craggy crust that fries up shatteringly crisp.

The batter, seasoned with garlic powder and smoked paprika, clings to the onion and provides a flavorful base, while the panko adds texture and crunch. Soaking the onion rings in cold water first reduces their sharpness and keeps them moist during frying.

Frying at the right temperature is key. At 375°F, the exterior browns quickly, creating a crisp shell while the onion inside steams and becomes tender.

The cornstarch in the batter helps absorb moisture and promotes crispness, and the baking powder adds a slight lift, making the crust airy and light. The result is a perfect balance of crunchy coating and sweet, juicy onion.

Notes and substitutions

Sweet onions like Vidalia or Walla Walla are ideal because they are mild and sweet. If using yellow onions, soak them longer in cold water to reduce their pungency. The batter should be thick enough to coat the onion rings without running off; if it seems too thin, add a little more flour.

Use a deep-fry thermometer to maintain the oil temperature. If the oil is too hot, the crust will burn before the onion cooks; if too cool, the rings will absorb oil and become greasy.

For the aioli, use a good-quality store-bought garlic herb aioli or make your own by mixing mayonnaise with minced garlic, chopped parsley, and a squeeze of lemon.

• sweet onions: Yellow onions work, but they are sharper; soak them longer in cold water to mellow the bite.
• panko breadcrumbs: Regular dry breadcrumbs can be used, but the crust will be less craggy and crunchy.
• smoked paprika: Regular paprika or a pinch of cayenne for heat can replace smoked paprika.
• garlic herb aioli: Store-bought aioli is fine, or mix mayonnaise with minced garlic and chopped herbs.

Equipment

• Large skillet or Dutch oven
• Deep-fry thermometer
• Mixing bowls
• Whisk
• Paper towels
• Tongs
• Cutting board
• Chef's knife