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A close-up view of golden brown Crispy Parmesan Onion Ring Chips in a dark blue bowl. The sharp focus highlights the delicious, crunchy texture of the parmesan and panko coating.

Crispy Parmesan Onion Ring Chips (The Ultimate Appetizer)

Learn how to make the best Crispy Parmesan Onion Ring Chips! These ultra-thin, golden-brown onion chips are shatteringly crisp with a rich, nutty Parmesan flavor, served with a creamy garlic dip. The ultimate homemade appetizer or snack.
Prep Time 20 minutes
Cook Time 15 minutes
Total Time 35 minutes
Servings: 4 people
Course: Appetizer, Snack
Cuisine: American
Calories: 450
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Ingredients
  

  • 2 large sweet onions (like Vidalia or Walla Walla) sliced into 1/8-inch rings
  • 1 cup (120g) all-purpose flour
  • 2 large eggs lightly beaten
  • 1 1/2 cups (180g) Panko breadcrumbs
  • 1 cup (100g) finely grated Parmesan cheese preferably freshly grated
  • 1 tsp (6g) salt
  • 1/2 tsp (1g) black pepper
  • 1 tsp (3g) garlic powder
  • 1/2 tsp (1g) smoked paprika
  • 4 cups (950ml) neutral oil for frying (canola, vegetable, etc.)
  • 1 cup (220g) mayonnaise
  • 1 clove garlic finely minced
  • 1 tbsp (15ml) fresh lemon juice
  • 2 tbsp (8g) fresh parsley finely chopped, divided

Equipment

  • 1 Heavy-Bottomed Pot or Dutch Oven
  • 1 Tongs or Spider Strainer
  • 1 Wire Cooling Rack

Method
 

  1. In a small bowl, whisk together mayonnaise, minced garlic, lemon juice, and 1 tbsp of the chopped parsley. Season with salt and pepper to taste. Cover and refrigerate until ready to serve.
  2. Peel and slice onions into 1/8-inch thick rings. In a shallow dish, place the flour. In a second dish, lightly beat the eggs. In a third dish, combine Panko breadcrumbs, grated Parmesan, salt, pepper, garlic powder, and smoked paprika.
  3. Working in batches, dredge each onion ring in flour, then dip in the egg, and finally press firmly into the Panko-Parmesan mixture to coat completely. Place on a baking sheet.
  4. In a large, heavy-bottomed pot, heat oil to 350-375°F (175-190°C).
  5. Carefully fry the onion rings in small batches for 2-3 minutes, flipping once, until deep golden brown and crispy. Do not overcrowd the pan.
  6. Remove the onion rings with a slotted spoon or tongs and drain on a wire rack. Immediately sprinkle with a little salt. Once all rings are fried, pile them in a serving bowl, garnish with the remaining fresh parsley, and serve immediately with the chilled dipping sauce.

Notes

Maintain Oil Temperature: Use a thermometer to keep the oil between 350-375°F (175-190°C) for maximum crispiness.
Don't Overcrowd the Pan: Fry in small batches to ensure the oil temperature doesn't drop, which can lead to greasy results.
Use a Wire Rack: Let the onion rings drain on a wire rack, not paper towels, to keep them from steaming and getting soggy.
Freshly Grated Parmesan: Grating your own cheese from a block provides the best flavor and texture for the crispy coating.