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Close up square photo of a Keto Onion Ring on a white tile background.
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5 from 5 votes

Keto Onion Rings

This Low Carb Onion Ring Recipe is surprisingly simple to make and never fails to satisfy.
Prep Time20 mins
Cook Time10 mins
Total Time30 mins
Course: Appetizer
Cuisine: American
Keyword: air fryer
Servings: 6
Calories: 217.11kcal
Author: Wendy Polisi

Ingredients

  • 1 large sweet onion cut into rings
  • 1 cup almond flour
  • 1 cup grated Parmesan cheese
  • 1 tablespoon baking powder
  • 1 teaspoon smoked paprika
  • Salt and pepper
  • 2 eggs beaten
  • 1 tablespoon heavy cream
  • cooking spray

Instructions

  • In a medium bowl, combine the almond flour, Parmesan cheese, baking powder, smoked paprika, salt, and pepper.
  • Beat the eggs and heavy cream in another bowl.
    Overhead photo of a white bowl with egg in it and an onion slice being coated.
  • Dip the onion rings in the eggs and then in the almond flour mixture. Press the almond flour mixture into the onions. Transfer to a parchment lined baking sheet and repeat with the remaining onion.
    White pie plate with an almond flour Parmesan mixture in it with an onion being coated.

Air Fryer Instructions

  • Preheat your air fryer to 350 degrees. Arrange the onions in a single layer, cooking in batches as needed. (If desired, you can line your air fryer with air fryer liners.)
  • Spray the onions with cooking spray and cook for 5 minutes. Use a spatula to carefully reach under the onions and flip. Respray and cook 5 minutes longer.

Baking Instructions

  • Preheat the oven to 400 degrees.  Line a baking sheet with parchment paper.  Arrange the onions in a single layer and spray with cooking spray. Bake for 10 minutes.  Flip and respray with oil. Bake another 10 to 12 minutes, until crispy and brown. 
    Parchment lined baking sheet with keto onion rings on it.

Nutrition

Calories: 217.11kcal | Carbohydrates: 7.64g | Protein: 12.51g | Fat: 16.4g | Saturated Fat: 4.59g | Cholesterol: 72.65mg | Sodium: 279.37mg | Potassium: 277.44mg | Fiber: 2.45g | Sugar: 1.67g | Vitamin A: 424.3IU | Vitamin C: 1.36mg | Calcium: 323.1mg | Iron: 1.38mg