Buttermilk Onion Rings Recipe

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Patsy Published: June 23, 2021 Modified: July 9, 2021
Buttermilk Onion Rings Recipe

How To Make Buttermilk Onion Rings

Air-fried or deep-fried, this onion rings dish is made crispier with the help of buttermilk and fine cornmeal, for a heavenly snack!

Preparation: 20 minutes
Cooking: 25 minutes
Total: 45 minutes

Serves:

Ingredients

  • vegetable oil
  • 1cupall-purpose flour
  • cupfine cornmeal
  • ¾cupcornstarch
  • 1tspbaking powder
  • 1tspfreshly ground black pepper
  • ¼tspsmoked paprika
  • 1egg,lightly beaten
  • ¾cupbuttermilk
  • ¼cupseltzer
  • 2largeVidalia onions,cut into ½-inch thick rings
  • kosher salt,for sprinkling
  • ketchup,for serving
  • mayonnaise,for serving

Instructions

Stovetop:

  1. In a large pot or Dutch oven over medium-high heat, heat 1-inch oil to 375 degrees F. Line a large plate or baking sheet with paper towels.

  2. In a large bowl, whisk together flour, cornmeal, cornstarch, baking powder, pepper, and paprika. In a medium bowl, whisk together egg, buttermilk, and seltzer.

  3. Thoroughly coat onion rings in flour mixture, then dip in egg mixture. Shake off excess, then coat in flour mixture again. Place on cooling rack until ready to fry.

  4. Carefully lower onion rings into oil in batches to avoid overcrowding the pot. Fry for 4 to 5 minutes until deeply golden, flipping once.

  5. Transfer to the prepared plate and immediately sprinkle with salt.

  6. Serve hot with ketchup and mayonnaise, if desired.

Air-fryer:

  1. In a large bowl, whisk together flour, cornmeal, cornstarch, baking powder, pepper, and paprika. In a medium bowl, whisk together egg, buttermilk, and seltzer.

  2. Thoroughly coat onion rings in flour mixture, then dip in egg mixture. Shake off excess, then coat in flour mixture again, and in egg mixture again.

  3. Line air fryer basket with parchment and grease with cooking spray. Working in batches, place onion rings in the basket of the air fryer, in a single layer. Cook at 400 degrees F for 8 to 10 minutes, until golden.

  4. Serve and enjoy.

Nutrition

  • Calories: 397.89kcal
  • Fat: 6.92g
  • Saturated Fat: 0.99g
  • Trans Fat: 0.04g
  • Monounsaturated Fat: 4.01g
  • Polyunsaturated Fat: 1.29g
  • Carbohydrates: 74.77g
  • Fiber: 3.63g
  • Sugar: 12.94g
  • Protein: 8.83g
  • Cholesterol: 41.83mg
  • Sodium: 821.60mg
  • Calcium: 194.92mg
  • Potassium: 394.52mg
  • Iron: 3.10mg
  • Vitamin A: 28.77µg
  • Vitamin C: 10.39mg
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