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Air Fryer Onion Rings

Thick onion rings get a buttermilk dip and a seasoned flour crust, then air-fry in a single layer until they are brown and still sweet in the middle.

Prep
15 min
Cook
12 min
Total
27 min
Servings
4
Difficulty
Easy
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A pile of golden onion rings with a small dish of ketchup

Why you’ll love it

  • Thick slices stay sweet. Paper-thin rings dry out.
  • Buttermilk helps the flour stick.
  • Cook in batches at 390°F.
  • Salt them the minute they come out.

Ingredients

Servings4

Ingredient amounts scale. Oven temperature and cook time do not. Salt, spices, and leaveners are a starting point after you scale. Taste and adjust.

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Instructions

  1. 1

    Cut the onions into 1/2-inch rings and separate them. Pat dry.

  2. 2

    Whisk the buttermilk and egg. Stir the flour with paprika, salt, pepper, and garlic powder.

  3. 3

    Dip each ring in the buttermilk, then the flour. Press so the coating holds.

  4. 4

    Heat the air fryer to 390°F. Spray the basket and the rings. Cook 10 to 12 minutes, turning halfway, in two batches.

  5. 5

    Salt again if they need it and eat while hot.

Pro tips

  • A second thin flour dip makes a thicker crust if you have time.
  • Do not oil them heavily. A light spray is enough.
  • Sweet onions work, but yellow onions brown more reliably.

Easy substitutions

Buttermilk
Regular milk plus 1 tsp lemon juice
Paprika
Cajun seasoning

Storage and reheating

Storage

They do not keep well. Refrigerate up to 1 day if you must.

Reheating

Air-fry at 380°F for 3 to 4 minutes.

Nutrition

Estimates per serving, using standard ingredient averages and rounded to the nearest gram. This is not a lab analysis, and it shifts if you change brands or add sides.

Calories
210
Protein
6 g
Carbs
32 g
Fat
6 g
Fiber
3 g

Budget friendly · Air Fryer · Vegetarian

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From the kitchen

Kitchen tools we love

Practical tools these recipes actually use. This is not a review roundup, and these are not paid placements. If affiliate links are added later, they will be labeled and disclosed.

  • A heavy 12-inch skillet

    Most of the chicken and steak recipes are written for one pan that holds heat. Stainless or cast iron both work.

  • An air fryer with a real basket

    The air-fryer recipes expect a single layer. A crowded basket steams instead of browning.

  • A half-sheet pan

    Drumsticks, potatoes, sausage, and carrots all use one. A dark pan browns faster than a very shiny one.

  • A sharp chef’s knife

    These recipes do not need a specialty blade. A sharp 8-inch knife is faster and safer than a dull one.

  • A large cutting board

    Big enough that the onion and the raw chicken are not sharing the same puddle.

  • Dry cups and a liquid cup

    Desserts in particular expect level dry measures and a separate cup for milk.

  • An instant-read thermometer

    Use it for poultry, pork chops, and meatloaf. Color is a weak guide.

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Ingredients